2.052.050 |
17.7217.27 |
0.25 |
4.05平方米4平方米50平方分米 |
×=43.7 |
×=43.7 |
×=4.37 |
×=4.37 |
10.3÷100= |
2÷1000= |
1.8×10÷100= |
360÷100×10= |
15-0.3= |
6-0.5= |
3.9+12.1= |
2.13+4= |