竖式计算
80-43+57=
[ ]
|
A.18 |
B.85 |
| C.94 | D. 100 |
竖式计算
52-36+69=
[ ]
|
A.18 |
B.85 |
| C.94 | D.95 |
竖式计算
80-43+57=
[ ]
|
A.18 |
B.85 |
| C.94 | D. 100 |
竖式计算
52-36+69=
[ ]
|
A.18 |
B.85 |
| C.94 | D.95 |