括号-13×括号-134×1/13×括号-1/67如图
括号-13×括号-134×1/13×括号-1/67如图
日期:2021-06-12 07:26:33 人气:1
(-13)×(-134)×1/13×(-1/67)
=-13×134×1/13×1/67
=-(13×1/13)×(134×1/67)
=-1×2
=-2
=-13×134×1/13×1/67
=-(13×1/13)×(134×1/67)
=-1×2
=-2
括号-13×括号-134×1/13×括号-1/67如图