183612
take 7 - 3,
if the question is 7-3 do the opposite..it means 7+3 = 10
then do the 7-3 and multpicate it by last number, 7-3 = 4*3 = 12
then just do what they asked to do, 7-3 = 4
so the answer is = 10124
just like that do the 15 - 3 = 183612
take 7 - 3,
if the question is 7-3 do the opposite..it means 7+3 = 10
then do the 7-3 and multpicate it by last number, 7-3 = 4*3 = 12
then just do what they asked to do, 7-3 = 4
so the answer is = 10124
just like that do the 15 - 3 = 183612
