①123×3=
②203×4=
③140×5=
④8.6元-2.2元=
2.5+2=
3.8+1=
9.5-0.5=
3.12-0.32=
0.9-0.5=
3.5+2.4=
2+2.8=
4.5+7.8=
1-0.95=
3.8-2.9=
3.1+0.3=
0.3+2.7=
0.35+0.5=
3+0.3=
0.47+1.13=
0.35+0.63=
9-6.3=
4.5+4=
3.5+7=
4.5-0.4=
4-0.6=
3.1+3=
9.5-5=
0.95+0.05=
3.8+3.8=
1.1+2.3=
2.5+3.2=
7.5-5=
9.5-1.5=
0.74+0.16=
( )
20分米3米 65+137200 1300千克1吨300千克