0.47x0.36＋0.56x0.36简便计算
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0.47×0.36+0.56×0.36
=0.36×(0.47+0.56)
=0.36×1.03
=0.36×(1+0.03)
=0.36×1+0.36×0.03
=0.36+0.0108
=0.3708
=0.36×(0.47+0.56)
=0.36×1.03
=0.36×(1+0.03)
=0.36×1+0.36×0.03
=0.36+0.0108
=0.3708
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