3+4+6 = _____________
What is 13
7 +8 + 8 = _____________
What is 23
8 + 10 + 2 = __________
What is 20
8 + 11 + 3 = __________
What is 21
15 + 4 + 10= _________
What is 29
Press F11 Select menu option View > Enter Fullscreen for full-screen mode