4.05÷0.8+2.4怎么简便

4.05÷0.8+2.4怎么简便
2024-12-02 09:26:40
推荐回答(1个)
回答1:

4.05÷0.8+2.4怎么简便
解:直接运算最简便,
原式=4.05÷0.8+2.4
=5.0625+2.4
=7.4625