5.07-2.8= 34÷4= 1- = ∶ =
2008× 8.8﹣6.75+9.2﹣0.25
÷3= 1+40%=
:8= 0.62= 0.8×0.25= 10-0.01= ( )×0.4=1
×= = =
9.87﹣4.8= 0.8×125%= 35.7+3.07=
10﹣5.3=
10÷20%=
2.5×2=
32÷0.4=
1+ ÷1+ =
2.2÷ =
+ =
7.3+2.7=
﹣ =
( ﹣0.375)×5=