12.5×1.6×6.5简便计算

2025-03-12 21:11:40
推荐回答(2个)
回答1:

12.5×1.6×6.5
=12.5×0.8×(2×6.5)
=10*13
=130

回答2:

12.5×1.6×6.5
=12.5x0.8x2x6.5
=10x13
=130