0.125×8= 4.5÷5= 3.55+2.45= 6297÷9≈
299×7≈
+80%× ÷× [×(4-)]÷
4321+500= 13.2-5.2= × = 0.2×1.4=
8÷25%= + = 2.4÷ = ÷ =
0.125+= ﹣= 8×75%= 3÷=
2﹣20%= 0.72÷0.8= ×= 5%÷=
3.2÷0.01= 5.6+3.99= ÷ =
× = 4.1+1÷2=
10﹣6.8= ﹣ = 35×1%= 1.25×24= 5× ÷5× =
0.42= 10÷0.02= 5a×7a= 1÷3= 1﹣1÷6=