3+6+4=
8+5+2=
6+7-2=
19-3-5=
9+7-3=
14-4+6=
2+8= 6+4= 3+7= 1+9= 5+5=
1+9+3= 5+5+7= 8+2+4= 4+6+2= 7+3+6=
4+9= 6+6= 8+3= 6+7=
6-2= 9-0= 18-8= 19-10=
2+8= 5+3= 8+2= 6+4=
6-4+7= 10-3-2= 9-4= 0+6=
8+1-5= 7+2+0= 1+2+4= 10-5-2=
420﹣298= 4+5.6= = =
0.25×0.4= 0.133= = =
1.25×80%= = 1﹣0.375= 6÷0.2=
= 2.35+4.7= = 16×0.25=
= =
5.5+4.5= 6.2-5= × = 2.4÷0.2=
+ = 3×20= ÷ = 0.44×5=