1.25X0.25X3.2的简便运算怎么写

2024-11-07 19:23:15
推荐回答(3个)
回答1:

都化成分数,四分之五乘四分之一乘五分之十六等于一

回答2:

1.25×0.25×3.2
=1.25×0.25×4×8×0.1
=(1.25×8)×(0.25×4)×0.1
=10×1×0.1
=1

回答3:

1.25X0.25X3.2
=1.25x(0.8x4)x0.25
=(1.25x0.8)(0.25x4)
=1x1
=1
祝天天向上。