5.56 ×4-4.56÷0.25 简便运算
问题描述:
5.56 ×4-4.56÷0.25 简便运算
答
5.56×4 - 4.56÷0.25
= 5.56×4 - 4.56×4
= 4×(5.56 - 4.56)
= 4×1
= 4