如题所述
46*28+63*24如何巧算
=46x28+9x7x4x6
=46x28+54x28
=(46+54)x28
=100x28
=2800
=46x28+9x7x4x6
=46x28+54x28
=(46+54)x28
=100x28
=2800
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第1个回答 2017-12-12
如图
第2个回答 2017-11-16
46*28+63*24
=46x28+9x7x4x6
=(46+54)x28
=100x28
=2800
=46x28+9x7x4x6
=(46+54)x28
=100x28
=2800
第3个回答 2017-12-12
46*28+63*24
=46*28+7*9*4*6
=46*28+28*54
=28*(46+54)
=2800
=46*28+7*9*4*6
=46*28+28*54
=28*(46+54)
=2800