Which two signs need to be interchanged to make the following equation correct?
45 ÷ 15 × 5 + 15 −11 = 39
1
− and +
2
− and ×
3
+ and ×
4
÷ and +
Which two signs need to be interchanged to make the following equation correct?
45 ÷ 15 × 5 + 15 −11 = 39