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数学
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3点过多少分时,时针和分针离“2”的距离相等,并且在“2”的两边?
人气:423 ℃ 时间:2020-06-02 04:26:36
解答
(1)解法一:
5÷(1+
1
12
),
=5÷
13
12
,
=
4
8
13
(分);
(2)解法二:设过x分钟,
60-6x=30+0.5x
x=
4
8
13
.
答:3点过
4
8
13
分钟,时针和分针离“2”的距离相等,并且在“2”的两边.
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