21? ×216.5=2112.4 |
|||||||
(a) |
18.9 |
(b) |
4.4 |
(c) |
5.9 |
(d) |
13.4 |
21? ×216.5=2112.4 |
|||||||
(a) |
18.9 |
(b) |
4.4 |
(c) |
5.9 |
(d) |
13.4 |