48.4÷0.8×1.2的简便运算怎么写

2025-05-12 22:27:56
推荐回答(1个)
回答1:

原式=48.4×1.2÷0.8
=24.2×2×1.2÷0.8
=24.2×2.4÷0.8
=24.2×(2.4÷0.8)
=24.2×3
=72.6