9除以0.75加9除以0.75简便方法

2025-01-06 11:43:35
推荐回答(1个)
回答1:

9 / 0.75 + 9 / 0.75
= 9 / 0.75 * 2
= 9 / (3/4) * 2
= 9 * 4 * 2 / 3
= 3 * 4 * 2
= 24