Question

a) 8 __2=12-2=5_2
b)3__4=6+6=15__3​

Answer 1

$a) \: 8 + 2 = 12 - 2 = 5 \times 2 = 10$

$b) 3 \times 4 = 6 + 6 = 15 - 3 = 12$