34.5+5.34= 340×50=+=
8.7÷0.29= ÷= 48×25%=
10﹣6.8= ﹣ = 35×1%= 1.25×24= 5× ÷5× =
0.42= 10÷0.02= 5a×7a= 1÷3= 1﹣1÷6=