8.6+16.4
7.3-2.63
★16-6.7
3.5-2.6= 5.8+3.43=
*8.53-7.24= *12.01+9.98=
11-4.07=
3.39+20.73=
★14.79-8.7=
5.72+8.46= 13.49-7.7=
*5.6-3.24= *15.8-5.66=
4.55+7.34= *13.73-8.2=
27.7-18.32= *15.6-7.88=