已知13︱2x-6︱=-5︱y+8︱,則3x+y=?

南一國中數學1上ch1-1

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Mathematics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
1
2.
FLASHCARD QUESTION
Front
附表是七年級五個班400公尺大隊接力的比賽成績,則下列哪一個選項可能是七年4班所用的時間?
Back
62
3.
FLASHCARD QUESTION
Front
若|甲數|=|乙數|,則甲數=乙數?
Back
錯誤,因為|甲數|=|乙數|不代表甲數等於乙數,可能是相反數。
4.
FLASHCARD QUESTION
Front
0有沒有相反數?
Back
沒有,0的相反數是0。
5.
FLASHCARD QUESTION
Front
負數中,愈大的數其絕對值愈小。
Back
正確,因為負數的絕對值是其正數形式。
6.
FLASHCARD QUESTION
Front
滿足12<∣x∣<20的整數有多少個?
Back
14
7.
FLASHCARD QUESTION
Front
數線上,若A的相反數>B>|C|,則A、B、C的相對位置是?
Back
A在B的右側,B在C的右側。
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