Which two signs should be interchanged to make the below equation mathematically correct?
20 + 34 - 81 × 9 ÷ 2 = 36
1
÷ and -
2
+ and -
3
× and ÷
4
+ and ×
Which two signs should be interchanged to make the below equation mathematically correct?
20 + 34 - 81 × 9 ÷ 2 = 36