Which two signs should be interchanged to make the below equation mathematically correct?
35 + 21 - 168 ÷ 28 × 7 = 154
1
- and +
2
+ and ÷
3
× and -
4
÷ and -
Which two signs should be interchanged to make the below equation mathematically correct?
35 + 21 - 168 ÷ 28 × 7 = 154