(7+67+567)×(67+567+5678)-(7+67+567+5678)×(67+567)=( )。

(7+67+567)×(67+567+5678)-(7+67+567+5678)×(67+567)=( )。A.39764 B.39674 C.39476 D.

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某人做一道整数减法题时,把减数个位上的3看成了8,把减数十位上的8看成了3,得到的差是122,那么正确的得数应该是(  

某人做一道整数减法题时,把减数个位上的3看成了8,把减数十位上的8看成了3,得到的差是122,那么正确的得数应该是(  )。A.77 B.88 C.90 D.1

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The author believes that, to find efficient ways of keeping

The author believes that, to find efficient ways of keeping economy going, econo

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Unsought goods refer to__________.

Unsought goods refer to__________.A.items a consumer doesn't need B.new items C.

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The second paragraph most probably implies__________.

The second paragraph most probably implies__________.A.reducing cost will increa

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