x
x=
[ ]
|
A .175 |
B .10 |
|
C .96 |
D .40 |
某工地有一批砂子,运出
[
]|
A .240吨 |
B .204吨 |
|
C .80吨 |
D .120吨 |
一件工程,甲队单独做要
8天,乙队单独做要6天.两队合做需________天完成[
]|
A .3 |
B . |
|
C . |
D .2 |
一个数的
[
]|
A .64 |
B .9 |
|
C .46 |
D .19 |
*![]()
[
]|
A .9 |
B .34 |
|
C .3 |
D . |
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[
]|
A .9 |
B .46 |
|
C .3 |
D . |
5+![]()
x=
[ ]
|
A .9 |
B .4 |
|
C .48 |
D .75 |
![]()
x
=[
]|
A .9 |
B .4 |
|
C .48 |
D .75 |
![]()
x=
[ ]
|
A .9 |
B .4 |
|
C .48 |
D .75 |
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[
]|
A . |
B . |
|
C .4 |
D . |