× = 4÷0.8= 3﹣ = 0.23=
÷ = 786﹣298= 25×0.7×4= 8.7+7=
( ﹣0.375)÷ = × ÷ × =
x﹣1=0.2
x:=21:
50%x+x=15
×7= 0×= -= ×= 2.4÷=
1﹣÷ ×2.8= 5÷= 4×÷4×= +÷+=
654﹣546=
0.2÷=
7.58﹣3.8=
×5.6+9=
×≈
0.36÷0.3=
2.4×0.5=
﹣=
3×÷=
1÷+1÷=
﹣ = + = 0.25+ = ﹣ = 4×2.5=
0×98.56= 45×11= 0.85﹣15%= 0.65×101﹣0.65=
×10÷ ×10=
1.69+0.1=
÷=
0.52=
2.6×0.25×4=
﹣×0=
9.9×9+9.9=
×÷=