23×4= 63÷9= 179×0= 80-40×2=
130+58= 200-14= 90÷9= 45×(20-12)=
①(127-56)×3
②(52+29)÷9
③38×7-24×4
④165-(42+58)
⑤73×(12÷6)
⑥45×(63÷9)