17+24= + = ×39= ÷ =
0.8×2.5= 4﹣ = 4.8÷0.06= 4×40%=
25×24= 910﹣570= 6.3÷0.9=
+ = + = ÷0.1=
0.25 0.04
453+198=
10﹣0.03=
0.1÷0.01=
4×0.025=
4.5﹣0.75﹣0.25=
5×4÷5×4=
28+69= 920-550= 19×50= 910÷70=
79-0.9= 6.4÷0.2= 35×20%=
95÷0.01= 3.2+5.23= 900÷30= 42×5=
2012+705= 603×39≈ 2÷0.02= 0×0.54=
1﹣ + = 32×25%= × = ÷ =