Question
612 x 17 + 516 x 17 + 213 x 17
= (a)            x 17
= (b)           
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

612 x 17 + 516 x 17 + 213 x 17
= (a)            x 17
= (b)