37减0.37乘以72.8减3.7乘以1.72的(简便计算)?
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37-37×0.728-37×0.172
=37×(1-0.728-0.172)
=37×[1-(0.728+0.172)]
=37×(1-0.9)
=37×0.1
=3.7
=37×(1-0.728-0.172)
=37×[1-(0.728+0.172)]
=37×(1-0.9)
=37×0.1
=3.7
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=37-37x0.728-37x0.172
=37x(1-0.728-0.172)
=37x(1-0.1)
=37×1-37×0.1
=37-3.7
=33.3
=37x(1-0.728-0.172)
=37x(1-0.1)
=37×1-37×0.1
=37-3.7
=33.3
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37-0.37*72.8-3.7*1.72
=37-37*0.728-37*0.172
=37*(1-0.728-0.172)
=37*0.1
=3.7
=37-37*0.728-37*0.172
=37*(1-0.728-0.172)
=37*0.1
=3.7
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