Which of the following is the last two digits of 7946?

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问题 Which of the following is the last two digits of 7⁹⁴⁶?

选项 A、17
B、29
C、49
D、31
E、43

答案C

解析对于最后两位数字来说：7¹是07，7²是49，7³是43，7⁴是01，7⁵还是07，到此为止已经足够了，正是因为7⁴是01才导致7的n次方的最后两位数字是以4为循环的，这样7⁹⁴⁶=7²，所以最后两位数字是49。

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Which of the following is the last two digits of 7946?

GRE QUANTITATIVE

GRE

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Howthesebigstonesweremovedtothemountaintopsremainsa______,thatis,nobodyknowshow.

The______ofherpaperpublishedinScientificAmericanisanimallifeinrainforests.

Thewaypeopleholdtothebeliefthatafunfilled,painfreelifeequalshappinessactuallyreducestheirchancesofeveratta

Mybrother’splansarevery______:hewantstomasterEnglish,FrenchandSpanishbeforeheissixteen.

Woman:DoyougetthePublicBroadcastingSystemonTV?Man:Yes,everybodygetsPBS.【D5】______Woman:It’sboringandof

Becausethecompanywasdoingmorebusiness,itwasnecessaryto______thefactory.

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ENDORSE:

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承发包双方按照《建设工程施工合同(示范文本)》签订了施工合同，当该合同生效后，如果承包人不能按时开工，应以书面形式向工程师提出延期开工的理由和要求。该申请的提出应不迟于协议书约定的开工日期前()天。

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