(10+8)*3=10*?+?*3, (40+6)*2=??*2+?8,(?+?)*3=7*3+8*3

Question

(10+8)*3=10*?+?*3, (40+6)*2=??*2+?8,(?+?)*3=7*3+8*3

Answer 1

(10+8)*3=10*3+8*3
(40+6)*2=40*2+6*2
(7+8)*3=7*3+8*3