把算式和得数连起来.
|
(1) |
A . |
|
(2) |
B . |
|
(3)1 |
C . |
|
(4) |
D . |
把算式和得数连起来.
|
(1) |
A . |
|
(2) |
B .1 |
|
(3) |
C . |
|
(4) |
D . |
把算式和得数连起来.
|
(1) |
A . |
|
(2) |
B . |
|
(3)1 |
C . |
|
(4) |
D . |
把算式和得数连起来.
|
(1) |
A . |
|
(2) |
B .1 |
|
(3) |
C . |
|
(4) |
D . |