(40+5)*3=40*3+5*3=120+15=135
(56+34)*9=90*9=810
(31+29)*3=60*3=180
(100+80)*3=100*3+80*3=300+240=540
(70+50)/6=120/6=20
(60+54)/6=60/6+54/6=10+9=19
(45+30)/5=45/5+30/5=9+6=15
(74+76)/5=150/5=30
(40+5)*3=40*3+5*3=120+15=135
(56+34)*9=90*9=810
(31+29)*3=60*3=180
(100+80)*3=100*3+80*3=300+240=540
(70+50)/6=120/6=20
(60+54)/6=60/6+54/6=10+9=19
(45+30)/5=45/5+30/5=9+6=15
(74+76)/5=150/5=30