Question

0.225➗0.25✖️4怎样简便计算？

Answer 1

0.225除以0.25乘以4
=0.225乘以4除以0.25
=0.9除以0.25
=（1-0.1）除以0.25
=1除以0.25-0.1除以0.25
=4-0.4
=3.6
因为乘除号发不了只能用文字代替了
希望能帮到你答题不易望采纳

Answer 2

用乘法结合律可以使运算简便一些。
0.225x0.25x4
=0.225x(0.25x4)
=0.225x1
=0.225。

Answer 3

0.225÷0.25ⅹ4
=9/40÷1/4ⅹ4
=9/40ⅹ4ⅹ4
=36/10
=3.6

Answer 4

0.225÷0.25×4怎么样简便计算？
解:原式=0.225÷(1÷4)×4
=0.225×4×4
=0.9×4
=3.6