小学六年级解比例及解方程练习题(1).docx

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1、小学六年级解比例及解方程练习题人教版六年级解方程及解比例练习题解比例: x:10=: 0.4:x=1.2:2 11123= 43112:5=14:x 0.8:4=x:8 1.25:0.25=x:1.6 2=89x 2.4x34:x=3:12 3654x=3 x: =6: 24.5624 = 45:x=18:26 325 2.8:4.2=x:9.6 x:24= 3:143 8:x= x2.2110:x=18:14 2.8:4.2=x:9.6 4:354 58:116=x: 12 110.61.50642.4x 6x 5312x 3141142511x x x0.7 425 1050x40 13

2、120169 解方程 X 237 X=4 2X + X3=20154 25% + 10X = X38X121 5X 12536142 1.3x5.220 x3.6618 x 4.60.283xx 864 25 = 35 70%X + 20%X = 3.6 45 X - 15%X = 68 3552217 3X1412 313X+= 3X=3 6X5 =13.4 X2=7716 X 125 X=310 X 635=26134525 310X2123=4 6X5 =13.4 448878X=34 4X623=2 32581165 X = 72 9 X = 651 x3 9 = 29 112x +

3、6x = 4 x+14x=20 2(x-2.6)=8 2135 X-3 X=10 4638 45X=1584415 X= X= 19 23X14=12 X62635=451325 4+0.7X=102 X-38X=400 X-0.125X=8 X+37 X=18 X211535X=2572 14 2X+132X=42 X+( 13136 + 8 )=12 x52889X=116651 X4=30% 14X=105 36X = 34 0.375x=56 X-0.25= x+=4 XX12 5 X2.458 2133328 0.365- 34 x = 35 x- 0.8x = 16+6 20 x

4、X25%X=90 X2X + 235 = 5 70%X + 20%X = 3.6 X 25% + 10X = 45 X - 15%X = 68 X723 (x- 4.5) = 7 8.5= 1.5 37 X= 89 X12 x- 25%x = 10 x- 45 x -4= 21 237 X=4 315=20438X121 5X35521 X12 6X5 =13.4 217 34X+14=38 3X= X738X=4 4X 35 X = 2572 4x3 9 = 29 3438 X623=2 81169 X = 651 X1x + 126x = 4 27=716 125 X=310 62635=

5、134525 310X2123=4 x+1x=20 2(x-2.6)=8 6X5 =13.4 4 25 X-13 X=310 4 821X=415 X 35X=2572 X-0.25=1423X+12X=42 X+ 638 5X=4155=28 819X=61651 XX4=30% 4+0.7X=102 14X=105 X-1519 213X4=12 635=2645132538X=400 3363X-0.125X=8 = X+ X=18 X4 X( 16 + 38 )=1312 x0.375x=56 x X37X12 5 X2.458 0.36 213 (x- 4.5) = 7 2 x- 2

6、5%x = 10 Xx- 0.8x = 16+6 20 x 8.5= 1.5 x- X37 X= 89 X 237 X=4 2X + 723+12=438 5- 334 x = 525%X=90 45 x -4= 21 235 = 5 70%X + 20%X = 3.6 X=20 25% + 10X = 314 X - 15%X = 68 34X+134=8 3X= X2=7716 X 125 X=310 X 6261335=4525 545X3X121 5X3582157 38 7328X=4 4X63=2 35 X = 2572 81169 X = 651 x3 9 = 29 12x +

7、16x = 4 4 321X21=4 x+x=20 2(x-2.6)=8 103 6X5 =13.4 5X=1519 23X14=12 X62635=451325 4+0.7X=102 425 X-13 X=310 48421X=15 X35X=2572 14213X+2X=42 X+638 4155=28 819X=61651 X4=30% 14X=105 X-0.25= X-X=400 X-0.125X=8 3363 = 8 X+37 X=18 X( 16 + 38 )=1312 x x2+1=43 X33287X12 0.365- 3324 x = 5 3 (x- 4.5) = 7 x- 0.8x = 16+6 20 x 8.5= 1.5 X40.375x=562.458 12 x- 25%x = 10 x- 45 x -4= 21 5 X