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=
6×= 2-=
5.62-4.6= 1- =
4.3×0.2=
0.24÷0.03=