简便计算:8.1*7-53.01/9.3+三又五分之二 (93.5-3.5*7.2)/(二分之一-四分之一)
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简便计算:8.1*7-53.01/9.3+三又五分之二 (93.5-3.5*7.2)/(二分之一-四分之一)
简便计算:8.1*7-53.01/9.3+三又五分之二 (93.5-3.5*7.2)/(二分之一-四分之一)
简便计算:8.1*7-53.01/9.3+三又五分之二 (93.5-3.5*7.2)/(二分之一-四分之一)
8.1*7-53.01/9.3+三又五分之二
=56.7+3.4-5.7
=60-5.7
=54.3
(93.5-3.5*7.2)/(二分之一-四分之一)
=(93.5-3.5x2x3.6)÷1/4
=(93.5-7x3.6)x4
=(93.5-25.2)x4
=68.3x4
=273.2
请好评
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