用简便方法计算:24x5x4x40

2024-11-07 08:33:37
推荐回答(3个)
回答(1):

用简便方法计算:24x5x4x40
24x5x4x40
=24*(5*4*40)
=24*800
=19200

回答(2):

=24 x4x5x40
=96x200
=100x200-4x200
=20000-800
=19200

回答(3):

24x5x4x40
=(24×40)×(5×40)
=960×200
=192000