4.3减4.3乘0.9的简便运算

问题描述:

4.3减4.3乘0.9的简便运算

4.3-(4.3*0.9)
=4.3*(1-0.9)
=4.3*0.1
=0.43

4.3减4.3乘0.9
=4.3x(1-0.9)
=4.3x0.1
=0.43