2千克56克=千克
4.8+2.31= 1-0.68= 0.17+0.33= 0.2×0.4=
2.5×0.3= 7.5-2.5= 1.8×0.04= 1.5×0.6=
月份 |
1 |
2 |
3 |
4 |
5 |
6 |
贸易额(万元) |
220 |
380 |
460 |
310 |
550 |
300 |