一道加减乘除的混合运算6÷(-2又1/4)-4×(-1/4)÷(-3)-5

问题描述:

一道加减乘除的混合运算
6÷(-2又1/4)-4×(-1/4)÷(-3)-5

-8

原式=-6*4/9-4*(1/4)*(1/3)-5
=-8/3-1/3-5
=-8