Question

1)18:2=9 2)9+11=20 3)18*9*20=3240

Answer 1

$1) : 18 div 2 = 9 \ 9 = 9$

$2) : 9 + 11 = 20 \ 20 = 20$

$3) : 18 times 9 times 20 = 3240 \ 162 times 20 = 3240 \ 3240 = 3240$