What is the following? PLEASE HELP!! AWARDING BRAINLYIEST!
12+7=?
7+7=?
11x3=?
21-9=?
28+31=?
0x1=?
0-0=?
4+8=?
PLEASE HELP
12+7=?
7+7=?
11x3=?
21-9=?
28+31=?
0x1=?
0-0=?
4+8=?
PLEASE HELP