8.1÷0.03= +3= ×= ﹣=
×= 134﹣18= ×0÷3= 7.45+8.55=
0.25×28= 500×1%= 0.81× = 0.32-0.22=
8×4÷8×4= 1÷3× = 0.8÷0.01= 98÷22=
①×× ②+÷
③0.38×99+38% ④-(-)
420﹣298= 4+5.6= = =
0.25×0.4= 0.133= = =
1- =
51÷ =
8.5﹣8.5×0=
× ÷ × =
30÷50%=
1÷0.01=
21.3× +11.7× =
29.8﹣10.9=
810÷30= 0.38+3.8= 0.15×0.2=
÷= ﹣×0= ×3÷3×=
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