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2020-02-04_數學科_小五_代數式
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學生姓名
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班別
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5a
5b
學號
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請按入以下的連結,觀看短片後繼續完成下面的問題。
https://drive.google.com/a/cckms.edu.hk/file/d/1R1N-h60bTr0luFRjgTNIJYvHIzY_Qxe-/view?usp=sharing
1. S + 6 = 17, S=?
*
1 point
9
10
11
12
2. 8 – Z = 3, Z=?
*
1 point
5
6
7
8
3. 7J = 42, J =?
*
1 point
6
5
4
3
4. 如果 m = 64, m + 19 =?
*
1 point
80
82
83
85
5. 如果 y = 106，y – 37 =?
*
1 point
58
69
83
143
6. 如果 x = 9，31x =?
*
1 point
22
18
248
279
7. 根據資料列出關係式，並嘗試找出各英文字母代表的數值：指南針每個售50元，望遠鏡每個售 e 元。買指南針和望遠鏡各一個，共付350元。
*
1 point
50 - e = 350
50 + e = 350
350e = 50
e - 50 = 350
8. 承上題: e = ?
*
1 point
200
300
350
400
9. 露營背包原價售 B 元，現減價 200 元出售，減價後每個售 600 元。
*
1 point
600 - B = 200
600 + B = 200
200B= 600
B - 200 = 600
10. 承上題: B = ?
1 point
300
400
500
800
Clear selection
11. 露營煮食用具每套售 G 元，買 3 套共付 450 元。
1 point
450 - G = 3
3G = 450
3 + G = 450
G - 450 = 3
Clear selection
12. 承上題: G = ?
1 point
447
150
453
480
Clear selection
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