In the following, two signs in the equation have been interchanged. Find out those two signs to make the equation correct.
16 + 4 ÷ 2 - 21 × 7 = 21
1
- and ÷
2
× and +
3
+ and -
4
× and ÷
In the following, two signs in the equation have been interchanged. Find out those two signs to make the equation correct.
16 + 4 ÷ 2 - 21 × 7 = 21