2022年解比例及解方程练习题.docx

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1、精选学习资料 - - - - - - - - - 精品资料 欢迎下载人教版六年级解方程及解比例练习题解比例 : x:10= 1 : 1 0.4:x=1.2:2 12 = 34 3 2 . 4 x1 : 1 = 1 :x 0.8:4=x:8 3 :x=3:12 2 5 4 41.25:0.25=x:1.6 2 = 8 36 = 549 x x 3x: 2 =6: 24 4 5. = 6 45:x=18:26 3 25 x 2 2.2.8:4.2=x:9.6 1 :x= 1 : 1 2.8:4.2=x:9.6 10 8 4x:24= 3 : 1 8:x= 4 : 3 5 : 1 =x: 14 3

2、5 4 8 6 120642.4 x 6x1 51 0.6 121.53 1 4 11 4 25 1 142x5 12536x x140.7 21050x40 1.3 x5.2 20 x3.6 618 13201 169 x 4.60.28x 8 x 64解方程名师归纳总结 X2 7 X=3 2X + 45 = 3 5 70%X + 20%X = 3.6 第 1 页,共 4 页X3 =201 25% + 10X = 5 43 X121 5X35 8 2154 X - 15%X = 68 52 X1 12 3 4X76X5 =13.4 3 X 413 3X=3488X2 = 77 X 167 X

3、= 83 4X 462 =2 312 35 X= 103 X = 5258 X = 91 6167251X6 = 3526 4513 4 25x3 9 = 29 1 x + 21 x = 4 6- - - - - - -精选学习资料 - - - - - - - - - 名师归纳总结 精品资料欢迎下载第 2 页,共 4 页3 X21102 =4 3x1 x 4202 x2 .6 86X5 =13.4 5 X- 1 3 X= 3 10 4 638 5X= 15 8 X= 4 X19 21 152 X1 =12 3 X= 253 4 5 72X6 = 26 13 X-0.25= 135 45 25

4、44+0.7X=102 2 X+ 1 X=42 X+3 2 X-3 X=400 X-0.125X=8 84 = 155 288 X= 1 169 6 51X =30% 41 X=105 436 = 3X 43 X+ 7 X=18 X 1 6 + 3 8 =13 12 x0.375x=56x2 + 31 =423 X 83 X12 7 5 X2.4 58 0.36 5- 3 4 x = 32 3 x- 4.5 = 7 1 2 x- 25%x = 10 x- 0.8x = 16+6 20 x 8.5= 1.5 x- 4 5 x -4= 21 X25%X=90 X3 7 X= 8 9 X2 7 X=

5、342X + 2 5 = 3 5 70%X + 20%X = 3.6 X3 =2051425% + 10X = 4 X - 15%X = 68 X55 2 X1 12 6X7 3 43 X121 85X35 215 =13.4 3 X 413 3X=3 X 82 = 774816X7 X= 83 4X 462 =2 312 5 X=3 103 X = 525 728 X = 91 x + 21 16 X6 511 x = 4 66 = 26 1335 45 253 X212 =4 10 34x3 9 = 29 x1 x 4202 x2.68 6X5 =13.4 - - - - - - -精选学

6、习资料 - - - - - - - - - 名师归纳总结 5 X- 1 3 X= 3 10 4精品资料欢迎下载第 3 页,共 4 页 638 5X=15 198 X= 4 X21 153 X= 255 724 = 15 2 X1 =12 5 28 3 48 X= 1 16 X6 = 26 9 6 51 35 45X =30% 4+0.7X=102 41 X=105 X-3 X=400 4 813 25X-0.25= 142 X+ 1 X=42 X+3 2X-0.125X=8 36 = X3 X+ 43 7 X=18 X 1 6 + 3 8 =13 12 x0.375x=5 x 62 + 31

7、=4238X3 X12 7 5 X2.4 58 0.36 5- 3 4 x = 31 2 x- 25%x = 10 X25%X=90 2 3 x- 4.5 = 7 x- 0.8x = 16+6 20 x 8.5= 1.5 x- 4 5 x -4= 21 X3 7 X= 8 9 X2 7 X=3 2X + 45 = 370%X + 20%X = 3.6 X3 =201 25% + 10X = 5 43 X121 5X35 8 217 X= 3 4X62 =2 8 4 3545X - 15%X = 68 X7X2 = 77 X 1612 5 X=3 103 X = 5258 X = 91 6167

8、251X6 = 26 13 435 45 253 X212 =4 10 3x3 9 = 29 1 x + 21 x = 4 6x1 x 4202 x2.686X5 =13.4 5 X- 1 3 X= 3 10 4 638 5X= 15192 X31 =12 48 X= 4 X21 153 X= 255 724 =58 X= 1 9 615281651- - - - - - -精选学习资料 - - - - - - - - - 精品资料 欢迎下载X6 = 26 13 X-0.25= 135 45 25 44+0.7X=102 2 X+ 1 X=42 X+3 2 X-3 X=400 X-0.125X=8 8X =30% 41 X=105 436 = 3X 4名师归纳总结 X+3 7 X=18 X 1 6 + 3 8 = 13 12 x0.375x=5 6第 4 页,共 4 页x2 + 31 =423 X 83 X12 7 5 X 2.4 58 0.36 5- 3 4 x = 32 3 x- 4.5 = 7 1 2 x- 25%x = 10 x- 0.8x = 16+6 20 x 8.5= 1.5 x- 4 5 x -4= 21 - - - - - - -