In the following question, which one of the four interchanges in signs and numbers would make the given equation correct?
7÷ 2 - 4 + 1 = 6
1
÷ and - ; 2 and 4
2
÷ and + ; 7 and 4
3
- and + ; 2 and 1
4
÷ and + ; 2 and 7
In the following question, which one of the four interchanges in signs and numbers would make the given equation correct?
7÷ 2 - 4 + 1 = 6