-5×(-8又7/9)-(-7)×(+79/9)+12÷-(-9/79)-5×(-8又7/9)-(-7)×(+79/9)+12÷(-9/79)

来源:学生作业帮助网 编辑:六六作业网 时间:2024/07/14 03:42:12
-5×(-8又7/9)-(-7)×(+79/9)+12÷-(-9/79)-5×(-8又7/9)-(-7)×(+79/9)+12÷(-9/79)-5×(-8又7/9)-(-7)×(+79/9)+12÷-

-5×(-8又7/9)-(-7)×(+79/9)+12÷-(-9/79)-5×(-8又7/9)-(-7)×(+79/9)+12÷(-9/79)
-5×(-8又7/9)-(-7)×(+79/9)+12÷-(-9/79)
-5×(-8又7/9)-(-7)×(+79/9)+12÷(-9/79)

-5×(-8又7/9)-(-7)×(+79/9)+12÷-(-9/79)-5×(-8又7/9)-(-7)×(+79/9)+12÷(-9/79)
-5×(-8又7/9)-(-7)×(+79/9)+12÷(-9/79)
=-5×(-79/9)-(7)×(-79/9)+12×(-79/9)
=(-5-7+12)×(-79/9)
=0×(-79/9)
=0