783+199=
494-298=
-=
+=
0.5+=
×=
÷=
1÷25%=
99×9+99=
2-15%=
〇1
〇
36÷〇36
×15= ×2= × = × =
÷ = ÷3= ÷5= ÷ =
0.37+1.8=
0.25×8=
5.1÷0.3=
1-7÷7=
1.25×4×8=
6.2-2.15
345﹣298= 0.64÷0.8= ﹣ = × =
1÷0.05= 0.25×40= 2÷ = ×25%=
1- - = × = 0.1÷10%= 0.7+ =
3.6×99+3.6= 0.24×5= ÷ = 0.23=
× = 10÷0.05= + = 0.82= 1-14%=