75×24怎么用简便计算?

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75×24怎么用简便计算?
75×24怎么用简便计算?

75×24怎么用简便计算?
75x24 = 3x25x4x6 = 3x100x6 = 1800

70*24+5*24
=1680+120
=1800


75×24
=75×(20+4)
=75×20+75×4
=1500+300
=1800

75×24
=75×(20+4)
=75×20+75×4
=1500+300
=1800
OK

75×24
=75*(20+4)
=75*20+75*4
=1500+300
=1800