Question

Help, medal given

Answer 1

22 + -7 = 15

Answer 2

\[22+(3^2-4^2)\]\[22+(9-16)\]\[22+(-7) \]\[22-7\]\[15\]

Answer 3

22+ 9-16=?
22+(-7)=?
22-7=15 I think

Answer 4

thanks :3

Answer 5

....

Answer 6

You welcome, ketty!