人教版小学六年级解比例及解方程练习题

8:x=: :=x:

453458161 12110.61.5

0．6∶4＝2.4∶x 6∶x＝∶ ＝

53

34∶12＝x∶45 1112∶45＝2536∶x

10∶50＝x∶40 1.3∶x＝5.2∶20

13∶120＝169∶ x 4.680.2＝x

解方程

X－ 23237 X=4 2X + 5 = 5 70%X + 20%X = 3.6

12xx∶114＝0.7∶1

2 ∶3.6＝6∶18 38＝x64

x X×=20× 25% + 10X = X - 15%X = 68

X＋X＝121 5X－3×35215＝ X÷＝12 3514458

6X＋5 =13.4 X÷2=7716 X 1235 ÷X=10 X÷ 6261335=45×25

217343134X?4?8 3X=38 ＋78X=34 4X－6×23=2 35 X = 2572 81169 X = 6×51 x－3 ×9 = 29 112x + 6x = 4

4321X－21×=4 x?x?20 2(x?2.6)?8 1034

213

6X＋5 =13.4 X- X= 4χ－6＝38

5X=1519

23X÷14=12 X÷6261335=45÷25

4+0.7X=102

53108421X=15 X3255X=72 142X+132X=42 X+÷4155=28 89X=16×1651 X4=30%

14X=105 X-0.25=

X-X=400 X-0.125X=8 3336 =

8

X+313137 X=18 X×( 6 + 8 )=12 x

x×2+1=4×3 X－33287X＝12

0.36×5- 3324 x = 5 3 (x- 4.5) = 7

x- 0.8x = 16+6 20 x– 8.5= 1.5

X4－0.375x=56 5 X－2.4×5＝8 1

2 x- 25%x = 10 x- 4

5 x -4= 21