Which of the following interchange of signs would make the equation correct?
120 + 40 ÷ 270 × 30 - 150 = 330
1
× and -
2
+ and ÷
3
× and ÷
4
+ and -
Which of the following interchange of signs would make the equation correct?
120 + 40 ÷ 270 × 30 - 150 = 330