求比的未知项.
4.2∶x=0.7
x=
[
]|
A .3 |
B . |
|
C . |
D .6 |
求比的未知项.
x∶2=
x=
[
]|
A .3 |
B . |
|
C . |
D .6 |
求比的未知项.
4.2∶x=0.7
x=
[
]|
A .3 |
B . |
|
C . |
D .6 |
求比的未知项.
x∶2=
x=
[
]|
A .3 |
B . |
|
C . |
D .6 |