100以内加减混合运算.docx

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1、100以内加减混合运算77-19-16= 88-34-18= 85-36+27= 12+79-62= 51-27+28= 51-42+53= 77-65-6= 71-52+36= 75-24-26= 75+24-23= 32+45-38= 81-45+36= 24-16+40= 63-12-42= 53-37+15= 63-23-28= 48-26+18= 83-27+10= 54-21-18= 65-33-18= 68-65-3= 54-52+17= 88-51-24= 76-63+1= 63+18-11= 92-68+26= 35-25+57= 65-20+33= 68-39+39= 71

2、+14-29= 63+4-54= 69-49+65= 66+26-7= 1+15-7= 34-10+53= 43+57-52= 13+69-17= 83-76+53= 19+53-66= 52-44+52= 73-52+44= 14+80-72= 7+88-26= 90-71+71= 4+59-20= 72+24-61= 16+77-67= 8+61-17= 1 69+29-78= 14-10+55= 65+15-47= 77-34+55= 43-29+13= 35-28+28= 77-38+42= 60-34+35= 17+27-10= 55-38-15= 54-41+36= 99-88+7

3、7= 75-15-30= 92-6-11= 42-37+54= 77-64+22= 60+22-65= 49-42+88= 72+14-10= 86-13+20= 49+42-16= 79-74+83= 63-11+16= 14+21-23= 50+35-19= 72-43+64= 26+68-76= 19+41-11= 34+65-20= 76-31+48= 56+27-8= 17+54-54= 67-16+33= 10+82-67= 53+31-81= 19+36-3= 54+5-42= 24+36-46= 14+55-15= 93-63+30= 95-45+19= 92-58+26= 6

4、2-5+30= 49+38-18= 57-22+21= 70+25-90= 99-52+31= 85-56+39= 72-11+6= 30+14-25= 36-3+44= 37-34+76= 31+64-57= 23+59-63= 92-55+32= 37-6+24= 36+63-86= 92-87+95= 10+35-26= 77-42+23= 49+22-54= 52+41-93= 51+46-48= 97-54+43= 2 72-64+50= 90-44+10= 90-76+37= 77-17+4= 7+73-78= 40-7+23= 62+30-68= 59-16+33= 1+73-5

5、0= 45+13-53= 37+48-55= 65-13+10= 15+83-21= 97-44+18= 61-14+8= 57-24+42= 87-62+66= 44+55-77= 60-52+83= 49-42+80= 39+40-38= 87-78+47= 65-11+7= 79-62+52= 71-71+94= 4+66-56= 8+68-61= 43+35-24= 36+5-30= 73-52+33= 83-57+37= 62-10+6= 36-22+74= 52+47-14= 2+80-13= 33+62-73= 48-16+33= 50-50+69= 54+21-20= 28+6

6、8-92= 90-77+39= 50+29-69= 12+48-47= 74-17+7= 4+68-4= 73+20-54= 97-46+32= 51-39+43= 60-17+31= 31+62-65= 41-2+50= 8+66-51= 35+58-36= 85+1-52= 98-41+38= 41+31-49= 50+24-53= 74+26-94= 69-29+23= 87+10-23= 8+82-13= 91-42+12= 53+20-2= 55-17+37= 3 10+89-42= 100-61+33= 74+9-46= 76-27+30= 78+8-40= 45+49-42= 1

7、+58-32= 30+33-25= 3+68-22= 89-1+12= 86-26+24= 48-25+77= 42+22-41= 70-19+49= 10+6-16= 37+42-61= 57-18+51= 65+34-18= 71+18-88= 45+16-46= 32+1-9= 28+32-37= 49+33-12= 30+34-25= 38+40-70= 35+24-40= 13+19-13= 61+36-94= 81-77+75= 64+7-55= 1+46-14= 3+70-34= 51+29-63= 30+67-74= 79+18-33= 7+70-54= 53-43+61= 8

8、2-29+19= 18+6-22= 81-72+75= 19+13-13= 17-11+71= 6+6-6= 67-46+33= 88-56+35= 11+85-58= 50+33-28= 18-7+68= 61-9+10= 90-69+47= 42+44-38= 56-26+55= 13+53-26= 11+29-5= 34+65-37= 10-2+51= 83-24+2= 48-30+41= 48+18-40= 80-39+57= 25-16+82= 93-22+4= 34+5-22= 62+3-62= 4 30-28+57= 61-29+25= 84-30+5= 58+17-18= 80

9、+16-81= 69-8+39= 19+71-24= 80+4-83= 64-34+62= 78+21-50= 12-5+55= 9+49-17= 63+17-39= 12+38-23= 25-12+42= 81-59+63= 57-53+86= 29-17+52= 72-50+78= 5+91-22= 23+67-38= 78+2-8= 100-31+20= 63-19+24= 72-49+29= 80-56+52= 58-36+72= 68+7-7= 85-70+43= 66-7+11= 16+73-31= 56+16-68= 87-2+5= 90+10-92= 90-45+48= 69+

10、6-57= 3+71-3= 88+10-94= 2+96-88= 84-64+67= 3+46-36= 43+34-55= 54+37-90= 4+67-16= 78-78+79= 94-81+39= 6+42-42= 81+11-50= 85-21+21= 45+33-73= 75-43+27= 12+67-51= 85-68+73= 86+14-94= 42-41+77= 14+42-10= 19+22-32= 76+5-18= 74-70+73= 12+76-52= 53-12+57= 3+69-32= 40+14-53= 80-9+1= 5 52+13-56= 37+27-15= 46

11、-13+65= 39-30+81= 88+1-77= 16+65-14= 11+44-25= 64+4-68= 85-23+16= 78+22-9= 59+34-79= 77+14-16= 97-56+48= 64+35-39= 3+54-43= 21-4+82= 57-53+53= 26+48-39= 38+62-45= 69-19+19= 17+73-88= 73-68+54= 28-27+85= 9+69-61= 16+37-14= 24-8+41= 77-75+77= 36-32+52= 49-25+60= 54+24-53= 23+27-14= 43+6-47= 93+3-13= 8

12、8+7-9= 31+32-57= 67+11-32= 61-25+57= 21+63-65= 28-14+80= 44-30+37= 67-11+29= 10-4+71= 72+1-56= 38+54-25= 37+60-85= 25+21-9= 62-46+69= 98-82+81= 91-57+25= 33+50-18= 93-75+57= 82-19+24= 24+71-84= 22-10+63= 84-43+50= 50-36+85= 47+40-80= 45-9+47= 55+2-49= 7+75-74= 30+25-17= 11+44-46= 36+20-28= 71-60+65=

13、 6 80-54+74= 52-3+45= 84-82+60= 67-34+28= 17+43-1= 22-11+75= 42+57-36= 41-11+28= 93+1-91= 54+41-44= 92+1-71= 69-16+3= 61+28-33= 92-91+81= 44+42-77= 55+44-37= 53+27-2= 3+78-30= 16+30-30= 19+40-40= 69+26-36= 67+13-62= 7+42-10= 62-46+44= 69+28-3= 56+41-31= 81-20+16= 32+43-38= 25+31-52= 69-50+58= 89-52+

14、24= 12+83-79= 91-89+78= 66-13+37= 60+15-30= 50+11-58= 60-14+34= 37-35+66= 14+60-6= 23-4+40= 35-24+69= 83+15-62= 46+38-13= 33-19+57= 71+12-43= 69+17-38= 70-8+33= 80-73+55= 4+73-39= 52+8-26= 99-43+19= 58-50+80= 64+15-65= 79-38+24= 3+4-4= 20+61-30= 75-30+46= 13+82-66= 92-55+29= 78-74+76= 70-63+70= 63+1

15、4-14= 4+70-29= 83+16-98= 7 53-23+64= 41+50-36= 56+27-10= 35-25+55= 90-62+69= 53-31+72= 47+35-34= 97-59+17= 65+12-49= 22+71-59= 83-22+1= 21-20+73= 23+26-1= 57-9+31= 18+34-18= 85-26+5= 60-1+5= 16+83-45= 99-54+41= 100-79+49= 48+43-81= 85-74+73= 56-31+57= 83-32+1= 37-8+29= 92-11+5= 14+50-48= 79-56+44= 2

16、5-14+64= 88-42+25= 84-37+29= 23+39-20= 36-19+54= 14+45-54= 30+25-2= 89-70+52= 86-80+60= 96-42+21= 70-20+47= 53-49+83= 62-12+47= 14+73-71= 81+9-61= 3+52-43= 73-70+81= 94-15+14= 12+16-10= 79+5-77= 23+59-25= 91-80+46= 94-70+39= 56-49+52= 16+28-44= 65+1-25= 23+35-18= 37-23+70= 61+37-50= 14+74-12= 96-80+

17、58= 34-22+70= 83+4-87= 63+3-16= 38-6+44= 37-23+67= 8 97-80+78= 36-23+83= 37-12+47= 77-74+51= 67-58+81= 75-61+85= 21+51-41= 48-22+36= 40+6-9= 54-13+13= 27+26-9= 60+21-41= 57+14-43= 77+10-20= 97-57+34= 54-10+10= 97-75+59= 29+36-54= 84-78+58= 71-51+61= 14+56-63= 89-27+33= 16+80-38= 26-1+28= 42-36+48= 7

18、6+3-14= 79+21-57= 16+17-11= 54-46+85= 52-46+76= 86-31+37= 22+42-33= 36+28-7= 92-60+38= 24+58-23= 75-62+57= 79-19+23= 70+21-66= 12+85-19= 74-41+31= 57+17-67= 4+46-31= 80-60+74= 58+29-43= 76-19+29= 34-7+54= 19-5+76= 55+39-9= 82-71+70= 58-50+48= 77+15-21= 33+28-46= 23+29-38= 64+24-25= 29+71-68= 32+41-1

19、7= 100-97+83= 56+8-54= 60+15-25= 19+45-52= 76+22-67= 54+21-36= 74-73+96= 56+30-71= 9 99-79+45= 74+7-31= 29-12+57= 45-42+55= 69+4-66= 76-49+64= 10+62-7= 53+39-87= 80-41+47= 8+87-68= 77+9-16= 82+2-38= 11+14-7= 86-41+36= 76-10+27= 6+92-71= 33+42-59= 61+24-48= 81+12-41= 86-69+71= 81-29+20= 22+26-15= 75-

20、19+40= 44+52-34= 64+27-6= 80-68+59= 48+33-49= 93-64+57= 68-52+42= 55-41+70= 20+54-47= 94-75+52= 30-30+84= 74-12+31= 29-26+76= 64-24+36= 48-31+66= 93-60+18= 28+57-35= 71-71+88= 8+73-3= 79-74+59= 30+60-39= 85-35+26= 56-33+31= 1+54-17= 90-70+47= 51+46-47= 49+14-50= 99-32+31= 90-48+36= 64-45+80= 19+4-22

21、= 29-29+66= 11-10+73= 27+39-8= 60+38-62= 6+82-40= 27+13-10= 48-17+56= 90-7+13= 64+4-58= 32+10-18= 22+36-50= 10 41+54-2= 4+81-75= 23+45-59= 67-2+24= 66-29+24= 9+71-25= 97-96+61= 92-79+68= 42-31+54= 29-7+65= 55-19+45= 7+28-4= 18+67-58= 10+63-48= 89+4-27= 6+73-74= 50-18+18= 62+35-97= 27-3+41= 88-72+57=

22、 4+84-12= 10-4+47= 62-41+68= 79-79+56= 69-32+20= 66-40+67= 71-3+24= 72-14+18= 17+53-10= 49-16+58= 80-42+42= 26+33-29= 47-7+41= 55-7+12= 78-51+33= 91-67+40= 37+31-45= 62-50+60= 100-52+19= 37-37+50= 61-60+56= 41+51-84= 20+45-17= 83-12+10= 67-11+3= 50+28-4= 50-22+16= 74-69+74= 28-23+91= 11+73-24= 55+43

23、-21= 81+17-94= 77-73+59= 65-63+91= 91-63+60= 1+63-53= 11-3+91= 37-36+68= 22+19-40= 97-90+88= 15+49-7= 60-27+19= 77+5-34= 45-24+54= 11 52+23-19= 42-34+80= 98-41+20= 42-16+62= 95-56+27= 5+69-74= 60-11+17= 81-32+23= 58-27+26= 30+16-39= 90-27+20= 60-51+50= 89-21+1= 89-24+16= 8+48-34= 48-1+49= 9+28-3= 33

24、+38-18= 75+8-77= 56-13+22= 47+6-6= 55-6+45= 64-4+35= 84-15+20= 92-6+14= 35+64-91= 79-54+27= 56-14+11= 69-23+52= 83-77+71= 96-68+69= 92-41+14= 94-2+5= 88-59+63= 21+62-18= 36-24+84= 94-81+60= 2+13-7= 90-60+50= 100-82+47= 21+70-82= 41+59-53= 57+14-18= 84-33+2= 39-31+86= 79-19+2= 50-6+6= 26+41-37= 20+76

25、-74= 74+23-96= 97-73+50= 39-5+35= 51-47+91= 36-35+61= 64-33+36= 59+20-57= 74-72+94= 31+37-32= 72+25-40= 47+52-62= 66-8+34= 13+67-13= 44-31+62= 16+50-14= 12 42+25-23= 10+77-74= 58-48+43= 81-62+53= 40+20-12= 88-56+44= 3+21-5= 79-29+48= 46-7+31= 48+34-42= 90-65+56= 3+28-31= 85+3-67= 37-9+60= 55-3+30= 4

26、2-28+74= 17+15-13= 17+54-52= 62+30-21= 53-17+43= 65+13-53= 67+14-40= 56+34-65= 96-49+18= 31+46-27= 24+61-1= 15+48-51= 75+16-72= 55-11+23= 89-72+54= 92-86+56= 73-57+75= 1+40-18= 98-80+80= 96-40+37= 48-29+38= 46-14+68= 2+68-27= 96-84+83= 49-13+48= 92-83+74= 14+48-29= 53+10-23= 27+57-2= 70-30+47= 49-45

27、+61= 16+44-12= 62-19+30= 68-66+81= 47-41+55= 87+13-6= 48+37-64= 95-56+39= 22+23-8= 36-12+48= 27+56-83= 20-18+89= 96-85+57= 35-13+62= 5+89-19= 49-49+80= 2+72-4= 32+10-5= 8+50-42= 13 83-9+12= 71-26+9= 56-2+9= 50+7-16= 29+64-93= 39-34+74= 22+41-13= 47-21+36= 10+90-4= 23+37-53= 5+45-31= 15-11+53= 53+10-

28、49= 34+20-6= 42-1+14= 76+13-22= 17+75-15= 60-57+66= 40+34-37= 82+15-37= 93-47+4= 67-21+45= 62+4-58= 36+56-13= 21+33-27= 99-79+72= 18+64-77= 20+43-35= 75-57+53= 58+12-15= 42-5+21= 40+23-16= 66-62+46= 60+21-52= 58+13-22= 96-67+54= 6+9-10= 20-10+83= 97-13+3= 99-35+4= 7+58-41= 6+65-63= 96-39+13= 18+81-5

29、6= 56+10-66= 79-18+29= 17+45-54= 82-11+1= 32+60-23= 5+77-44= 31+9-4= 4+88-81= 17+53-6= 23-4+65= 49-43+46= 12+87-18= 41-1+60= 3+76-24= 42+33-32= 62+17-8= 25+46-34= 33+37-1= 82-23+24= 87-20+24= 14 78+6-1= 68-18+21= 90+8-92= 54-20+30= 22+43-65= 88-53+52= 41+16-57= 18+7-3= 73-19+31= 72-42+39= 37-32+76=

30、82-81+87= 66-34+64= 29+52-18= 64+23-28= 50+25-72= 81-66+58= 85-76+90= 84-14+12= 80-55+72= 23-23+58= 82+8-41= 1+80-50= 99-14+6= 56+41-87= 72-33+45= 88-25+35= 21+37-19= 70-38+39= 35+12-41= 32+48-6= 93+6-9= 9+65-8= 46-27+42= 42+40-33= 41-37+46= 32+33-32= 43-37+58= 28+29-38= 5+26-22= 88+10-46= 91-85+51=

31、 59+7-54= 75+1-61= 18+63-80= 62-8+31= 16+71-16= 76-29+43= 30+36-56= 33-9+69= 47+6-10= 87-43+23= 7+52-1= 81-29+44= 67+17-41= 43-37+57= 69-48+32= 9+27-35= 59+38-61= 43+19-43= 77-13+18= 24+73-41= 19+80-63= 55-1+6= 15 66+24-42= 59+1-52= 97-64+45= 54+26-7= 91-78+78= 15-5+69= 100-81+78= 68+26-27= 59-9+48=

32、 10+20-14= 69-66+97= 58-25+46= 97-56+20= 92-45+29= 68-9+21= 20-12+81= 38+32-57= 63-15+37= 52-37+53= 93-92+93= 35-13+28= 75-51+72= 81-80+83= 79-52+66= 49+38-65= 75-40+38= 78-43+41= 41-8+38= 71+21-33= 31+30-11= 72-17+16= 89-51+21= 33-7+71= 75-69+84= 63-49+70= 43+31-3= 83-71+61= 69-29+26= 80-72+82= 96-

33、81+63= 89-56+18= 10+83-72= 74-67+93= 79-27+24= 6+55-41= 82-40+45= 17+23-30= 76-5+12= 18+37-7= 62+36-32= 79-41+52= 27+34-33= 93-61+22= 41+56-72= 65-27+51= 69-27+45= 31-2+40= 36+51-25= 3+24-25= 67+5-45= 80-31+26= 53+20-64= 93-65+59= 14+45-57= 16 87-34+41= 57+25-81= 52+5-57= 56-13+36= 78+21-33= 68+23-1

34、= 63+13-3= 47-43+48= 73-34+49= 71-22+10= 30-6+33= 13+60-39= 51+47-31= 59-45+47= 81-47+22= 29+38-9= 93-86+72= 3+75-14= 75-71+67= 56-10+12= 86-59+59= 45+41-16= 97-84+43= 27+71-45= 9+80-19= 61+10-51= 92-54+35= 46-43+59= 1+80-65= 70-36+65= 58-1+6= 19+20-9= 73+7-31= 65-41+46= 44-26+49= 83-44+46= 89-52+42

35、= 66+5-37= 20+70-76= 32+19-41= 86-58+33= 70-3+26= 7+78-81= 5+39-7= 24-16+88= 78-71+45= 74-35+13= 59+10-13= 71-54+46= 3+20-13= 85-36+29= 43+53-68= 57-49+59= 30-20+63= 13+68-67= 84+14-10= 41-15+45= 83-61+45= 89-79+74= 4+53-17= 64-26+35= 10+71-61= 10+46-32= 66+29-88= 17 100-45+25= 17+46-12= 49+43-72= 7

36、8-64+56= 91-48+32= 4+91-83= 69-40+50= 39+16-6= 75-40+65= 100-56+48= 18-17+49= 77-42+55= 62-41+62= 5+13-1= 89-28+10= 93-82+56= 51+30-15= 63-18+19= 64+30-21= 61-6+20= 93-66+68= 70-24+30= 89+7-52= 45-24+54= 41+41-30= 47+5-24= 92-79+62= 70-32+29= 38-32+94= 86-75+63= 53-43+69= 56+16-17= 82-37+25= 55+39-3

37、7= 83-4+29= 93-92+66= 26+59-71= 73-37+59= 42-6+59= 6+49-8= 52-48+70= 94-58+28= 79-53+36= 58-28+22= 77-30+53= 69-10+31= 25+20-34= 26-6+74= 34-24+62= 64+20-80= 43-42+90= 73-60+57= 71-46+30= 50-36+85= 56+34-70= 60+38-55= 46+34-36= 37-26+55= 14+86-58= 57+9-13= 38-29+70= 42+34-36= 39-11+46= 87-63+73= 18

38、41+59-49= 35+57-81= 34-28+89= 83-80+87= 94-13+16= 23+64-70= 68-62+55= 36+25-52= 11+55-23= 52+14-52= 82-50+47= 89-47+21= 95-54+46= 46-3+38= 3+53-32= 95-93+87= 5+89-17= 65-4+16= 85+2-79= 8+44-51= 5+73-29= 60+25-72= 100-35+23= 62-41+54= 40+15-29= 36+41-69= 89+6-90= 45-20+46= 79-75+60= 22+30-23= 33+63-6

39、8= 96-49+23= 10+78-57= 49+45-47= 47-12+37= 51+49-65= 20-20+100= 54+31-3= 10+66-74= 45-42+52= 86-32+6= 39-37+97= 33+28-26= 51-43+70= 31+31-50= 85-85+88= 27+1-25= 23+30-1= 86-62+37= 41+19-47= 40-3+50= 71+25-13= 76-48+50= 71-58+83= 58+23-45= 35+64-56= 61-7+6= 29+21-34= 62-58+57= 6-1+76= 40-37+50= 51+21

40、-23= 38-26+65= 72-43+46= 19 50-14+27= 37-4+47= 72-52+52= 86+1-31= 23+77-32= 16-5+53= 75-57+76= 63-48+63= 27+72-23= 33+63-22= 93-50+40= 67+22-6= 13+40-38= 36+53-59= 35+37-60= 69-38+42= 60-18+57= 59-57+90= 74-30+40= 79+12-6= 32+1-24= 92-67+39= 25-20+52= 32+32-11= 39-34+52= 57-57+55= 1+88-75= 53-23+32=

41、 53-15+36= 54-13+53= 45-21+38= 67-24+28= 36-30+53= 47+3-9= 44-31+51= 6+41-43= 25+46-70= 23+56-55= 34-24+74= 44+51-80= 80-8+15= 43-1+26= 84-13+13= 37+51-11= 50+26-53= 80-70+65= 70-48+67= 24-1+61= 44+4-48= 55-20+58= 88-67+29= 56+16-48= 33+48-8= 84+14-75= 90-67+48= 61+34-46= 53+40-25= 44+21-34= 54-48+8

42、0= 54-39+67= 38-10+48= 39+53-3= 79-56+34= 80-37+25= 20 60+40-20= 67-26+34= 66+13-76= 28+50-43= 46-23+29= 28+22-29= 23+59-62= 13+86-20= 76+17-88= 92-88+74= 51+22-42= 60-9+40= 23+53-28= 19-3+82= 67+22-6= 13+40-38= 36+53-59= 35+37-60= 69-38+42= 60-18+57= 59-57+90= 74-30+40= 6+55-41= 82-40+45= 17+23-30=

43、 76-5+12= 18+37-7= 62+36-32= 79-41+52= 27+34-33= 93-61+22= 41+56-72= 65-27+51= 69-27+45= 31-2+40= 29+38-9= 93-86+72= 3+75-14= 75-71+67= 56-10+12= 86-59+59= 45+41-16= 97-84+43= 27+71-45= 9+80-19= 37-32+76= 82-81+87= 66-34+64= 29+52-18= 64+23-28= 50+25-72= 81-66+58= 85-76+90= 51+22-42= 54+26-7= 91-78+

44、78= 15-5+69= 100-81+78= 68+26-27= 59-9+48= 10+20-14= 69-66+97= 58-25+46= 97-56+20= 21 92-45+29= 68-9+21= 20-6+83= 38+32-57= 63-15+37= 52-37+53= 93-92+93= 35-13+28= 75-51+72= 81-80+83= 79-52+66= 49+38-65= 75-40+38= 78-43+41= 41-4+38= 60+38-55= 46+34-36= 37-26+55= 14+86-58= 12+29-19= 69+10-36= 27+12-2

45、8= 67+27-37= 33-17+15= 75-36+10= 72-54+12= 65-39-15= 62-18+24= 54+21+18= 53-29+19= 35+12-28= 86-12-15= 57-33+31= 36-27+9= 77-19-16= 88-34+18= 85-36+27= 12+79-62= 51-27+28= 51-42+53= 77-65-6= 71-52+36= 75-24+26= 75+24-23= 32+45-38= 81-45+36= 24-16+40= 63+12-42= 53-37+15= 63-23+28= 48-26+18= 21+82-60=

46、 36+34-14= 73+12-71= 21+82-60= 44-5+12= 100-76+22= 72-45+32= 54-21-18= 67-47+22= 21+82+17= 83-27+10= 65-33-18= 68-65-3= 22 54-52+17= 88-51-24= 76-63+1= 63+18+11= 65+15-47= 77-34+55= 43-29+13= 35-28-28= 77-38+42= 60-34+35= 17+27-10= 55+38-15= 54-41+36= 99-88+77= 75+15-30= 92-6+11= 42-37+54= 77-64+22=

47、 12+30-23= 56-42-8= 56+43-90= 23+65+10= 98-76-14= 63-48+26= 63+17-28= 63-28+17= 100-70-23= 12+29-19= 69+10-36= 27+12-28= 67+27-37= 33-17+15= 75-36+10= 72-54+12= 65-39-15= 62-18+24= 54+21+18= 53-29+19= 35+12-28= 86-12-15= 57-33+31= 36-27+9= 77-19-16= 88-34+18= 85-36+27= 12+79-62= 51-27+28= 51-42+53=

48、77-65-6= 71-52+36= 75-24+26= 75+24-23= 32+45-38= 81-45+36= 24-16+40= 63+12-42= 53-37+15= 63-23+28= 48-26+18= 21+82-60= 36+34-14= 73+12-71= 21+82-60= 44-5+12= 23 100-76+22= 72-45+32= 54-21-18= 67-47+22= 21+82+17= 83-27+10= 54+21-18= 65-33-18= 68-65-3= 54-52+17= 88-51-24= 76-63+1= 63+18+11= 65+15-47=

49、77-34+55= 43-29+13= 35-28-28= 77-38+42= 60-34+35= 17+27-10= 55+38-15= 54-41+36= 99-88+77= 75+15-30= 92-6+11= 42-37+54= 77-64+22= 12+29-19= 69+10-36= 27+12-28= 67-27-37= 33-17+15= 75-36-10= 72-54+12= 65-39-15= 62-18+24= 54-21+18= 53-29-19= 35+12-28= 86-12-15= 57-33+31= 36-27+19= 30+25-17= 11+39-46= 24