Jose S. answered 02/19/13
Portuguese/English/Spanish Teachers. Two tutors each online class
This way:
7 + (7/7) + (7x7) - 7
7 + (1) + (49) - 7
8 + 42 = 50
Always make X and / first. After them, + and -, unless you have an specification like this: (7+7) / 7.
Jonah W.
this is so easy11/16/21