25乘12乘64简便计算
问题描述:
25乘12乘64简便计算
答
25x12x64
=25x4x3x64
=100x3x8x8
=2400x8
=19200
25乘12乘64简便计算
25x12x64
=25x4x3x64
=100x3x8x8
=2400x8
=19200