0.24×5=
5.4÷0.6=
2.65+3-2.65+3=
0.23×0.5=
9y-8y=
3.48+5.6=
6.8a-a+0.2a=
7.5÷1.5=
7.8×0.2=
0.4y+0.6y=
0.4-0.4÷2=
4.5×99+4.5=
6×0.5÷6×0.5=