7400/(25*37)简便运算84.36+28.45-74.36+32.55简便运算

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7400/(25*37)简便运算84.36+28.45-74.36+32.55简便运算
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7400/(25*37)简便运算84.36+28.45-74.36+32.55简便运算
7400/(25*37)简便运算
84.36+28.45-74.36+32.55简便运算

7400/(25*37)简便运算84.36+28.45-74.36+32.55简便运算
7400/(25*37)
=7400÷37÷25
=200÷25
=8
84.36+28.45-74.36+32.55
=(84.36-74.36)+(28.45+32.55)
=10+61
=71