
4-2正比與反比(例題6.7)
Quiz
•
Mathematics
•
7th Grade
•
Practice Problem
•
Hard
黃宇莊 黃宇莊
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6 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
下列敘述哪些正確?(複選題)
當x值變大,y值也跟著變小,則x與y必成反比。
若x、y皆為負數,且xy=2,則x越大,y也跟著變小。
2.
FILL IN THE BLANK QUESTION
2 mins • 1 pt
將一個大魚缸注入100公升的水,
假設每分鐘注水量固定,
則每分鐘注水量與所需時間如表:
請問y與x的關係式為何?
3.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
下列哪些 x 與 y 成反比?(複選題)
以x為邊長的正方形,其面積為y。
面積為40的三角形,底為x,高為y。
設買一個x元的商品(少於100元),付款100元,找回y元。
有36個餅乾均分給x人,每人得y個。
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
下列哪些 x 與 y 成反比?(複選題)
同一期樂透獎獎金分配,x人中頭獎,每人分得y元。
工程一定,工作人數x人,完工日數y天。
甲出x元,乙出y元,兩人合資買一台1500元的腳踏車。
一天24小時,白天佔x小時,黑夜佔y小時。
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
下列哪些式子中y和x成反比?(複選題)
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
由下列數據判斷,那些選項的y與x成反比?
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