10﹣6.8= ﹣ = 35×1%= 1.25×24= 5× ÷5× =
0.42= 10÷0.02= 5a×7a= 1÷3= 1﹣1÷6=
2÷24= ×= 16×40%=
112= 51×99≈ 3.5×2÷3.5×5=
12.7﹣3.6﹣5.4
+(-)÷
3.14×+3.14÷2.5