1.25×80= 2.5×0.8= 0.35×0.2=
0.8×250= 4.6×0.6=
60-53.21= 3.9+5.48= 7.3-0.07=
0.44×40= 1.9×0.08=
100×10= 90×8= 120×5= 440÷40=
480÷8= 25×4= 354-99= 150×60=
28÷7×5= 48+32-24= 64÷8-8= 24+16×6=
48+52÷4= 100-5×4= (57-27)÷3= 80-80÷4=
728÷8×17
360÷[(12+6)×5]
(272+28)-352÷11
56×[144÷(80-68)]