看算式,先画○,再填得数.
|
2+1= |
|
3+2= |
________ |
|
2+2= |
________ |
1+1= |
________ |
|
4+1= |
________ |
看算式,先画○,再填得数.
|
2+1= |
|
3+2= |
________ |
|
2+2= |
________ |
1+1= |
________ |
|
4+1= |
________ |