0
+36=[
]|
A .36 |
B .1800 |
|
C .72 |
D .920 |
40
×23=[
]|
A .36 |
B .1800 |
|
C .72 |
D .920 |
30
×60=[
]|
A .36 |
B .1800 |
|
C .72 |
D .920 |
9
×7+8=[
]|
A .1300 |
B .71 |
|
C .340 |
D .0 |
0
×36=[
]|
A .1300 |
B .71 |
|
C .340 |
D .0 |
65
×20=[
]|
A .1300 |
B .71 |
|
C .340 |
D .0 |
17
×20=[
]|
A .1300 |
B .71 |
|
C .340 |
D .0 |
60
与320相加,和是[ ]
|
A.13800 |
B.362 |
|
C.19200 |
D.380 |
60
个320连加,和是[ ]
|
A.13800 |
B.362 |
|
C.19200 |
D.380 |
用简便方法笔算.
20600
×50=[
]|
A .34560 |
B .24840 |
|
C .56000 |
D .1030000 |