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求括号里的数写出过程50.2-(48.7-())=11.8 24.5+(()-9.6)=41.5
人气:457 ℃ 时间:2019-08-19 14:28:16
解答
50.2-(48.7-(10.5))=11.850.2 - 11.8 = (48.7-()) 50.2 - 11.8 = 48.7 - ( ) 38.2 = 48.7 - ( ) ( ) = 48.7- 38.2 ( ) = 10.524.5+((26.6)-9.6)=41.5(()-9.6)= 41.5 - 24.5 (()-9.6)= 17 ...
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