+0.375=
0.6×1.3=
10÷0.5=
+-+=
12-0.32=
+=
3-+=
1-(+)=
×10= ×= 1÷0.8= -= +=
15×= 1÷=+= 28×= --=
7÷12= 4÷6= 21÷49= 12.5×4=
5.5×200= 25÷0.05= 1.6÷3.2= 48×0.02=
y+7y= 3a﹣a= 34﹣18.2= 7.2÷6= 2.9×101﹣2.9=
4.4+5.6= 0.02×10= 0.25×16= 1﹣ = 9.6×8÷9.6×8=
9.7-8= 0.4×2.5= 3+2= += 0.75-=
-= 2+1.2= -= 0.725-= 1-+=