Answer:
18-3×6+4=0
18-18+4=0
0+4=4
it is completely right(+) is the correct symbol
68°+52°=120 and a triangle is 180° so 180-120=60 so x=60
shortest to greatest 52, 60, 68
2 more because 5 is 5-3 = 2 so the answer is 5/2
5 x (4 x 3) = (5 x 4) x 3
7 x (3 x 6) = (7 x 3) x 6
(30 x 5) x 12 = (30 x 12) x 5
first half
