3.2x6.5x12.5的简便计算

2025-06-22 06:18:18
推荐回答(1个)
回答1:

3.2x6.5x12.5
=8x0.4x6.5x12.5
=(8x12.5)x(0.4x6.5)
=100x2.6
=260