4.6x47+0.46x5.4-4.6简便算法?
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=4.6x47+4.6x0.54-4.6x1
=4.6x(47+0.54-1)
=4.6x46.54
=214.084
=4.6x(47+0.54-1)
=4.6x46.54
=214.084
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展开全部
4.6×47+0.46×5.4-4.6
=4.6×47+4.6×54-4.6×1
=4.6×(47+54-1)
=4.6×100
=460
=4.6×47+4.6×54-4.6×1
=4.6×(47+54-1)
=4.6×100
=460
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