12.5×1.6×6.5简便计算

2025-05-19 22:34:21
推荐回答(2个)
回答(1):

12.5×1.6×6.5
=12.5×(8×0.2)×6.5
=(12.5×8)×(0.2×6.5)
=100×1.3
=130

回答(2):

12.5×1.6×6.5
=12.5*0.8*13
=10*13
=130