9.8*5.6-46*0.98.(25-0.2)/(1/0.25)简便运算

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9.8*5.6-46*0.98.(25-0.2)/(1/0.25)简便运算
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9.8*5.6-46*0.98.(25-0.2)/(1/0.25)简便运算
9.8*5.6-46*0.98.(25-0.2)/(1/0.25)简便运算

9.8*5.6-46*0.98.(25-0.2)/(1/0.25)简便运算

式=9.8*5.6-(46/10)*(0.98*10) =9.8*5.6-4.6*9.8 =(5.6-4.6)*9.8 =1*9.8 =9.8