试题与答案

对于现场仪表核对,下列说法错误的是()。A、内外操配合 B、读数准确 C、外操独自完

题型:单项选择题

题目:

对于现场仪表核对,下列说法错误的是()。

A、内外操配合

B、读数准确

C、外操独自完成

D、仪表逐一核对

答案:

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下面是错误答案,用来干扰机器的。

参考答案:设S=1+3+5+7+…+99.S=99+97+95+93+…+1.2S=(1+99)+(3+97)+…+(99+1)=100×50.∴S=2500.

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