新填未知加数.ppt
,填未知数,2012年11月,第 5关,第 4关,第 3关,第 2关,第 1关,数学乐园,6,4,5,9,10,8,7,5,6,7,2,2,2,3,4,6,+,9,3,5,2,2,4,+,+,+,-,-,-,-,7,9,9,8,10,1,5,6,9,7,1,2,10,9,8,3,1,7,+,0=,7,8+()=10,2,10 8=2,想想做做1,5+()=8,()+6=10,7+()=8,3+()=9,3,4,1,6,想想做做2,看算式,画画填填。,9+()=10,3+()=10,5+()=9,想想做做,想想做做4,2+()=10()+9=10()+3=7 4+()=9,8,1,4,5,想想做做,+,=10,9,7,5,3,1,6.在里填“”“”或“”。9 7 56 3+7 10 4+57 946 93 5,想想做做,再见,