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3.7×0.53+4.4×0.37+0.37×0.3
=3.7×0.53+0.44×3.7+3.7×0.03
=3.7×(0.53+0.44+0.03)
=3.7×1=3.7
=3.7×0.53+0.44×3.7+3.7×0.03
=3.7×(0.53+0.44+0.03)
=3.7×1=3.7
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2017-07-30 · 知道合伙人教育行家
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展开全部
3.7×0.53+0.37×4.4+0.37×0.3
=3.7×0.53+3.7×0.44+3.7×0.03
=3.7×(0.53+0.44+0.03)
=3.7×1
=3.7
=3.7×0.53+3.7×0.44+3.7×0.03
=3.7×(0.53+0.44+0.03)
=3.7×1
=3.7
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=0.37×5.3+0.37×4.4+0.37×0.3
=0.37×(5.3+4.4+0.3)
=0.37×10
=3.7
请采纳
=0.37×(5.3+4.4+0.3)
=0.37×10
=3.7
请采纳
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