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哥德巴赫猜想(奇数情形) :任何不小于7的奇数都可以写成()个质数的和.

A、两
B、三
C、四
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正确答案:

B

答案解析:

暂无解析

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me(主格)__________

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用竖式计算

(1)9.5÷0.05=

(2)1.7÷2.5=

(3)7÷1.4=

(4)26.26÷26=

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