(3.2X1.5+2.4)÷1.6脱式计算

2025-06-28 09:38:38
推荐回答(1个)
回答1:

(3.2X1.5+2.4)÷1.6
=(4.8+2.4)÷1.6
=7.2÷1.6
=4.5