Give interchanges :
Signs - and x and numbers 3 and 6.

B. 3 - 6 X 8 = 10

Find out the two signs to be interchanged for making following equation correct :
5 + 3 x 8 - 12 ÷ 4 = 3

B. - AND ÷

Given interchanges :
Signs + and - and numbers 4 and 8.

B. 4 - 8 + 12 = 0

Given intercharges :
Signs - and ÷ and numbers 4 and 8.

C. 4 ÷ 8 - 2 = 6

Given intercharges :
Signs + and x and numbers 4 and 5.

C. 5 X 4 + 20 = 104