[計量] 兩題數學(題目不懂)
1. Which of the following quations can be used to find
the value of x if 8 more than 9x is 3 times the sum of 6 and x?
~~~~~~~~~~~~~~~~
這句不是8大於9x的值?
Ans:
9x+8=3(x+6)
2. Of the positive integers that are multiples of 30 and
are less than or equal to 360, what fraction are multiples of 12?
Ans:1/2
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推
02/17 19:05, , 1F
02/17 19:05, 1F
推
02/17 22:51, , 2F
02/17 22:51, 2F
→
02/17 22:53, , 3F
02/17 22:53, 3F
→
02/17 22:54, , 4F
02/17 22:54, 4F
→
02/17 22:57, , 5F
02/17 22:57, 5F
→
02/17 22:58, , 6F
02/17 22:58, 6F
→
02/17 22:59, , 7F
02/17 22:59, 7F
→
02/17 23:24, , 8F
02/17 23:24, 8F
推
03/29 02:14, , 9F
03/29 02:14, 9F
→
03/29 02:17, , 10F
03/29 02:17, 10F
→
12/02 19:06, , 11F
12/02 19:06, 11F
→
04/13 23:34,
7年前
, 12F
04/13 23:34, 12F
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