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]|
A . |
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D . |
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[
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A . |
B . |
C . |
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[
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A . |
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[
]|
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2
-[
]|
A . |
B . |
C . |
D . |
14
×25%+39×0.25+47÷4=[
]|
A . |
B . |
|
C . |
D .25 |
x
x=
[ ]
|
A .175 |
B .10 |
|
C .96 |
D .40 |
5
+x=
[ ]
|
A .175 |
B .10 |
|
C .96 |
D .40 |
x
x=
[ ]
|
A .175 |
B .10 |
|
C .96 |
D .40 |