0.37×5.5-3.7×0.45的简便算法?
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0.37*5.5-3.7*0.45
=0.37*(5.5-10*0.45)
=0.37*(5.5-4.5)
=0.37*1
=0.37
=0.37*(5.5-10*0.45)
=0.37*(5.5-4.5)
=0.37*1
=0.37
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0.37×5.5-3.7×0.45
=3.7×0.1×5.5-3.7×0.45
=3.7×0.55-3.7×0.45
=3.7×(0.55-0.45)
=3.7×0.1
=0.37
=3.7×0.1×5.5-3.7×0.45
=3.7×0.55-3.7×0.45
=3.7×(0.55-0.45)
=3.7×0.1
=0.37
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0.37x5.5-3.7x0.45
=0.37x5.5-0.37x4.5
=0.37x(5.5-4.5)
=0.37x1
=0.37
=0.37x5.5-0.37x4.5
=0.37x(5.5-4.5)
=0.37x1
=0.37
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