5.6÷0.5= 4.9×0.2= 0.81÷0.09= 1÷0.25=
8÷0.2= 3.4-0.34= 14÷5= 7.8÷0.01=
3.96÷0.3=÷3 6.85÷=68.5÷3
18.36÷5.4=÷54 16÷0.8=÷
x×3.6=y× x-d=y-
24=+=+=+