202.2÷0.4= 13÷7= 6.7+4.3-1.53=
0.8³= 6-6÷5= 1.8×0.5÷1.8×0.5=
1- =
0.62=
3÷10=
1-=
8×=
÷10=
7÷12= 4÷6= 21÷49= 12.5×4=
5.5×200= 25÷0.05= 1.6÷3.2= 48×0.02=