15.2÷0.25X4的简便运算怎么做?

2024-11-29 22:54:04
推荐回答(2个)
回答1:

原式=15.2÷1/4x4
=15.2x4x4
=15x4x4+0.2x4x4
=240+3.2
=243.2

回答2:

15.2÷0.25X4
=15.2x4x4
=60.8x4
=243.2