36.78+6.5-(13.78+3.5) 简便计算

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36.78+6.5-(13.78+3.5)简便计算36.78+6.5-(13.78+3.5)简便计算36.78+6.5-(13.78+3.5)简便计算36.78+6.5-(13.78+3.5)=(36

36.78+6.5-(13.78+3.5) 简便计算
36.78+6.5-(13.78+3.5) 简便计算

36.78+6.5-(13.78+3.5) 简便计算
36.78+6.5-(13.78+3.5)
=(36.78-13.78)+(6.5-3.5)、
=23+3
=26