早教吧作业答案频道 -->数学-->
-(2/13-1/3-1/6)×78跪求过程~
题目详情
-(2/13-1/3-1/6)×78跪求过程~
▼优质解答
答案和解析
-(2/13-1/3-1/6)×78
=(-2/13+1/3+1/6)×78
=-2/13×78+1/3×78+1/6×78
=-12+26+13
=27
=(-2/13+1/3+1/6)×78
=-2/13×78+1/3×78+1/6×78
=-12+26+13
=27
看了 -(2/13-1/3-1/6...的网友还看了以下：