口算
1.5-0.5=
2.3+0.5=
2.8
0.5+0.8=
1.3
0.36+0.64=
0.96-0.7=
0.26
1-0.8=
0.2
10-0.6=
9.4
7.3+0.62=
7.92
6.5+3.5=
10
22.3+0.05=
22.35