17
=1
no
21 for sure
(12x2 + 18) / (3x2 + 6) = (4x2 + 6) / (x2 + 2)
17
25
6-3+8/2=5.5
=1
20 divided by 4 multiplied by 2 plus 6 equals 16. 20/4 = 5, 5x2 = 10, 10+6 = 16.
no
21 for sure
(12x2 + 18) / (3x2 + 6) = (4x2 + 6) / (x2 + 2)
1.5
8*(5+11)/(2+6)= 8(16)/8= 16
6 + -2 = 4
30 divided by 6 = 5, plus 4 = 9.