6.2×14+0.62×1.4用简便方法怎么算?
3个回答
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6.2x14+0.62x1.4
=62x1.4+0.62x1.4
=1.4(62+0.62)
=1.4x62.62
=(1+0.4)x62.62
=62.62+0.4x62.62
=87.668
=62x1.4+0.62x1.4
=1.4(62+0.62)
=1.4x62.62
=(1+0.4)x62.62
=62.62+0.4x62.62
=87.668
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展开全部
6.2×14+0.62×1.4
=6.2×14+6.2×0.14
=6.2×(14+0.14)
=6.2×14.14
=87.668
=6.2×14+6.2×0.14
=6.2×(14+0.14)
=6.2×14.14
=87.668
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