11 + 6 = 17
17
11 + (19 + 6) = 36(11 + 19) + 6 = 36So they are both equal. The brackets make no difference in this case.
1
75
-11
34 inches. You just add up all the sides. 11 plus 11 plus 6 plus 6.
-6 + 17 = 11
-11
-5
Because (x plus 3x) is 4x, and (-5 + 11) is 6.
10+9+15+8+4+6+11=63
2200x0+11 ---- 3+3 = 6 6+5 = 11
4 + 6 + 1 = 11