15-4.8+9.06 8.2+7.92+22.8
89-15.73-23.27 27.9 -(19+7.9)
1.25÷100=
0.05+6.5=
981÷9=
7.69+8.6-0.69=
4000÷50=
127+73×0=
468-86-68=
25×4÷25×4=