2x125x15x18简便计算?

2025-04-15 03:21:52
推荐回答(1个)
回答1:

简便计算
2x125x15x18
=(2x15)x(125x18)
=30x(125x10+125x8)
=30x(1250+1000)
=30x2250
=67500