1.2加上1.8与4的积,除以0.4,商是多么?

2024-11-23 04:26:05
推荐回答(1个)
回答(1):

(1.2+1.8×4)÷0.4,
=(1.2+7.2)÷0.4,
=8.4÷0.4,
=21;
答:商是21.