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[求助] 那位大仙帮下忙。看哪个是正确答案 [复制链接]

1#
483.25按5修约间隔,修约后的正确值是?ÕÒä×s”ãotbbs.3c3t.comãÒü™ ¬û»
A 485  B  480   C483.0   D  483.5ÕÒä×s”ãotbbs.3c3t.comãÒü™ ¬û»
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2#

明显选AÕÒä×s”ãotbbs.3c3t.comãÒü™ ¬û»
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3#

答案是A、ÕÒä×s”ãotbbs.3c3t.comãÒü™ ¬û»
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4#

我也是选AÕÒä×s”ãotbbs.3c3t.comãÒü™ ¬û»
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5#

为什么不是选B   修约值不应该是修约间隔的偶数倍吗?ÕÒä×s”ãotbbs.3c3t.comãÒü™ ¬û»
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6#

我也猜A哈:default16:3.25距离5近一些,距离0远一些哈ÕÒä×s”ãotbbs.3c3t.comãÒü™ ¬û»
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7#

标准答案是AÕÒä×s”ãotbbs.3c3t.comãÒü™ ¬û»
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8#

483.25 中3接近5  所以485  要是487.35 那也是485啊 488.14 那就是500了ÕÒä×s”ãotbbs.3c3t.comãÒü™ ¬û»
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9#

此题我也有点迷糊,想知道具体怎么算的,求哪个大神发个过程ÕÒä×s”ãotbbs.3c3t.comãÒü™ ¬û»
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10#

按5修约,就是按十位的0.5倍修约ÕÒä×s”ãotbbs.3c3t.comãÒü™ ¬û»
483.25*2=966.5   再按十位修约间隔修约等于970ÕÒä×s”ãotbbs.3c3t.comãÒü™ ¬û»
然后970/2=485ÕÒä×s”ãotbbs.3c3t.comãÒü™ ¬û»
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11#

ÕÒä×s”ãotbbs.3c3t.comãÒü™ ¬û»
[quote] 原帖由 [b]sophie9823[/b] 于 2014-4-21 17:55:00 发表ÕÒä×s”ãotbbs.3c3t.comãÒü™ ¬û»
此题我也有点迷糊,想知道具体怎么算的,求哪个大神发个过程 [/quote]ÕÒä×s”ãotbbs.3c3t.comãÒü™ ¬û»
感谢啊,豁然开朗ÕÒä×s”ãotbbs.3c3t.comãÒü™ ¬û»
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12#

谢谢大家,我也明白了,豁然开朗呀ÕÒä×s”ãotbbs.3c3t.comãÒü™ ¬û»
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13#

原来如此ÕÒä×s”ãotbbs.3c3t.comãÒü™ ¬û»
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14#

学习了ÕÒä×s”ãotbbs.3c3t.comãÒü™ ¬û»
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