小学六年级解比例及解方程练习题.docx

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1、小学六年级解比例及解方程练习题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= 431112:5=4:x 0.8:4=x:8 1.25:0.25=x:1.6 x: 2=6: 24325 2.8:4.2=x:9.6 x:24= 3:143 8:x= 2=89x 4.5x=62.2110:x=118:4 2.8:4.2=x:9.6 4:354 2.4x34:x=3:12 36x=543 58:116=x: 12 45:x=18:26 110.61.50642.4x 6x 5312x3141142511x x x0.7 42512536 1050x40 1.3

2、x5.220 11320169x 4.60.28x 解方程 X 2237 X=34 2X + 5 = 5 70%X + 20%X = 3.6 X3=201 25% + 10X = 4545 X - 15%X = 68 X358X121 5X32157 1423.6618 38x64 23X1412 x 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 12x + 16x = 4 x

3、+14x=20 2(x-2.6)=8 25 X-133 X=10 4638 4 5X=1584415 X= X= 19 23X14=12 X6261335=4525 4+0.7X=102 X-38X=400 X-0.125X=8 211535X=2572 14 213X+2X=42 X+52889X=161651 X4=30% 14X=105 36X = 34 X-0.25= 313135X+ X=18 X( + )= x0.375x= 7 x2+1=43328 X 0.365- 334 x = 5 x- 0.8x = 16+6 20 x X25%X=90 X2X + 25 = 35 70%X

4、 + 20%X = 3.6 X 6812637X12 5 X2.458 213 (x- 4.5) = 7 2 x- 25%x = 10 8.5= 1.5 x- 45 x -4= 21 37 X= 89 X 27 X=34 315=204 25% + 10X = X - 15%X = 68 XX121 435 5X355217 34X+14=38 3X= X7X=384 4X 35 X = 2572 23X1412 6X38 X623=2 89 X = 116651 X85 =13.4 27=716 125 X=310 6261335=4525 4x3 9 = 29 x + x = 4 x+12

5、1632X21=4 3101x=20 2(x-2.6)=8 6X5 =13.4 4 25 X-13 X=310 4 821X=415 X 3255X=72 X-0.25=14638 5X=45=1528 89X=161651 XX4=30% 4+0.7X=102 1519 213X4=12 635=26134525 2113X+X=42 X+X=105 X-X=400 3248X-0.125X=8 3363 = 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- 25%x =

6、10 Xx- 0.8x = 16+6 20 x 8.5= 1.5 x- 723+12=438 5- 334 x = 525%X=90 45 x -4= 21 382233X X= X X= 2X + = 797554 70%X + 20%X = 3.6 X=20 25% + 10X = X - 15%X = 68 XX121 5X3 3855 721351445313X+= 3X=3 4488 X= 1233258116 X= X = X = 5105729651 277732 XX= 4X6=2 84316X 6261311= 4x3 9 = 29 x + x = 4 25263545321

7、X21=4 x+x=20 2(x-2.6)=8 103 6X5 =13.4 5X=1519 23X14=12 X635=26134525 X-0.25= 425 X-13 X=310 48421X=15 X3255X=72 14638 45=1528 89X=161651 X4=30% 4+0.7X=102 X+X=42 X+X=105 X-X=400 X-0.125X=8 2312143363 = 8 X+313137 X=18 X( 6 + 8 )=12 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