230+12= 368-268= 280÷70= 24×5=
100×3.5= 8÷1000= 80-80÷40= 0÷35=
20×3÷20×3= 35-5×6=
4.4+2.6= 7.3-0.9= 6.7+5.7= 6.02-5.8=
0.2×0.8= 45.7÷10= 0.25×0.4= 3.9×0.2=
25.4-4= 60.8-45.8= 0.33×0.7= 65.4÷100=