新人教版小学六年级数学练习题(解方程+简便运算)

解方程、简便运算强化训练

一、解方程。

3X= X÷= ÷X=

=30% X = X-0.25=

X×=20× 50% X + X = 3.6 25% X + 15%X =

X - 15%X = 68 X X = XX121

XX= X + X = 4 X+X=20

6X5 =13.4 4 X638 X+=

4 X3 ×9 = 29 5X3× 4X6×=2

0.36×5- X = X - 0.8 X = 16+6 ( X - 4.5) = 7

X÷12 2(X-2.6)=8 X-X=

X×(+)= X0.375 X = 20 X– 8.5= 1.5

X - X -4= 21 4+0.7X=102 X - 25% X = 10

二、简便运算。

-)×60 36× 0.65×101

1.25-0.125)×8 25×8 24×(---)

(12+) ×7 13×10.2 2.6×99

×+× 27.5×3.7-7.5×3.7 ÷+×

×101- × 99 + ×-÷

×103-×2- 0.92×1.410.92×8.59

2.25×4.8+77.5×0.48 4.8×7.8+78×0.52 1.3×11.61.6×1.3

×(15×)× 4.36×12.5×8 2.5×32×1.25

1.25÷×0.8 9.6÷3.2÷3 15.2÷0.25÷4

×÷× ×3÷×3 146.5-23+46.5

12.89-(3.89-1.6) 73.8-1.64-13.8-5.36 15.75+3.59-0.59+14.25

5.48-9.4-0.52 12.065.072.94 30.349.7610.34

二、简便运算。

712 - 15 ×60 36×3435 0.65×101

1.25-0.125×8 2538 ×8 24×( - - - )

(12+ ) ×7 13×10.2 2.6×99 X - 45 X -4= 21

47 ×613 +37 ×613 27.5×3.7-7.5×3.7 0.92×1.410.92×8.59

710 ×101- 710 35 × 99 + 35 30.349.7610.34

2.25×4.8+77.5×0.48 4.8×7.8+78×0.52 1.3×11.61.6×1.3

227 ×(15×2728 )×215 4.36×12.5×8 2.5×32×1.25

1.25÷ ×0.8 9.6÷3.2÷3 15.2÷0.25÷4

89 ×89 ÷89 ×89 12.065.072.94 146.5-23+46.5

12.89-(3.89-1.6) 73.8-1.64-13.8-5.36 15.75+3.59-0.59+14.25

5.48-9.4-0.52 4 X3 ×9 = 29 5X3× 4X6× =2

0.36×5- 34 X = 35 X - 0.8 X = 16+6 23 ( X - 4.5) = 7

X÷ 12 2(X-2.6)=8 25 X-13 X=310 4+0.7X=102

X×( 16 + 38 )=1312 X0.375 X = 20 X 8.5= 1.5 12 X - 25% X = 10

二、简便运算。

712 - 15 ×60 36×3435 0.65×101 35 × 99 + 35

1.25-0.125×8 2538 ×8 710 ×101- 710 27.5×3.7-7.5×3.7

(12+ ) ×7 13×10.2 2.6×99 710 ×101- 710

47 ×613 +37 ×613 0.92×1.410.92×8.59

2.25×4.8+77.5×0.48 4.8×7.8+78×0.52 1.3×11.61.6×1.3

227 ×(15×2728 )×215 4.36×12.5×8 2.5×32×1.25

1.25÷ ×0.8 9.6÷3.2÷3 15.2÷0.25÷4

89 ×89 ÷89 ×89 ×3÷ ×3 146.5-23+46.5

12.89-(3.89-1.6) 73.8-1.64-13.8-5.36 15.75+3.59-0.59+14.25

125×36×25 31/30×31 5.48-9.4-0.52

12.065.072.94 30.349.7610.34

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