40×20= 800 80-25= 55 70+45=115 90×2= 180 16×6= 96 300×6= 1800 540÷9=60 30×20= 600 400÷4= 100 .350-80= 270 .160+70=230 18-64÷8= 10 42÷6+20=27 40-5×7= 5 80+60÷3=100
