题目内容
已知2:x=
:
,则x=( )
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| A.40 | B.4 | C.0.4 | D.1 |
2:x=
:
,
x=2×
,
x=
,
x=
÷
,
x=1.
故选:D.
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x=
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| 2 |
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| 2 |
x=1.
故选:D.
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