用-9,6,-2,3 凑成24或-24,写出三个算式

问题描述:

用-9,6,-2,3 凑成24或-24,写出三个算式

-9×6÷(-2)-3=24
(-2-6)×(-9)÷3=24
[6-(-2)]×(-9)÷3=-24