3.7*0.25+37*0.975-0.37简便运算

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3.7*0.25+37*0.975-0.37简便运算

3.7*0.25+37*0.975-0.37
=3.7*0.25+3.7*10*0.975-0.37
=3.7*0.25+3.7*9.75-0.37
=3.7*(0.25+9.75)-0.37
=37-0.37
=36.63
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