Question

4.44乘以0.25脱式计算用简便方法

Answer 1

4.44乘以0.25脱式计算用简便方法

4.44×0.25
=(4+0.4+0.04)×0.25
=1+0.1+0.01
=1.11

1.48乘以0.25脱式计算简便方法

解：采用拆分法和结合律，
原桐袜敏敬式=1.48x0.25
=0.37x4x0.25
=0.37x1
=0.37

0.25乘以0.975再乘以40的简便方法或脱式计算.

0.25×0.975×40
=(0.25×40)×0.975
=10×0.975
=9.75

45乘以0.25加0.25乘以55用简便方法计局拿激算

原式
=45x0.25+0.25x55
=(45+55)x0.25
=100x0.25
=25
供参考。

1.6乘以7.5乘以1.25用简便方法计算脱式计算

=(0.2×8)×7.5×1.25
=(0.2×7.5)×(8×1.25)
=1.5×10
=15

5.6乘以0.25 用简便方法计算。

5.6x0.25
=1.4x(4x0.25)
=1.4x1
=1.4

0.25乘以0.5除以0.25乘以8的简便方法列式计算便要用简方法

0.25乘以0.5除以0.25乘以8
=0.25×0.5÷0.25×8
=0.25÷0.25×0.5×8
=1×4
=4

用简便方法计算4×152乘以0.25

4*125*0.25=4*0.25*152=152

497乘以8 +24用简便方法脱式计算

497×8 +24
=497×8 +3×8
=（497+3）×8
=500×8
=4000

0.25乘96 用脱式计算 能用简便方法的用简便方法计算

0.25×96
＝0.25×4×24
＝1×24
＝24