
简算[0.75×42.7-0.573×25+57.3]÷3×760
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[0.75×42.7-0.573×25+57.3]÷3×760
=[0.75×42.7-57.3×0.25+57.3]÷3×760
=[0.75×42.7+57.3×0.75]÷3×760
=[0.75×(42.7+57.3)]÷3×760
=75÷3×760
=25×4×190
=100×190
=19000
=[0.75×42.7-57.3×0.25+57.3]÷3×760
=[0.75×42.7+57.3×0.75]÷3×760
=[0.75×(42.7+57.3)]÷3×760
=75÷3×760
=25×4×190
=100×190
=19000
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[0.75×42.7-0.573×25+57.3]÷3×760
=[0.75×42.7-57.3×0.25+57.3]÷3×760
=[0.75×42.7-57.3*(0.25-1]÷3×760
=(0.75*42.7+57.3*0.75)]÷3×760
=[0.75*(42.7+57.3)]÷3×760
=75÷3×760
=25*760
=25*800-25*40
=20000-1000
=19000
=[0.75×42.7-57.3×0.25+57.3]÷3×760
=[0.75×42.7-57.3*(0.25-1]÷3×760
=(0.75*42.7+57.3*0.75)]÷3×760
=[0.75*(42.7+57.3)]÷3×760
=75÷3×760
=25*760
=25*800-25*40
=20000-1000
=19000
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=[0.75x42.7+0.573x(100-25)]÷3×760=[0.75x42.7+0.573x75]÷3×760=0.75x(42.7+57.3)÷3×760=75÷3×760=19000
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