1) 16 + 3y – y = 40
y = _____
2) 2y + 3y = 20 + y
y = _____
3) 7y – 3y – y = 87
y = _____
4) 16 – 2y = 0
y = _____
5) 7y = 15
y = _____
6) 3( y – 4 ) =0
y = _____
7) 2y 除 5 – 1 = 5
y = _____
8) y 除 3 + 5 = 5
y = _____
9) 5 + 7y = 35 + 5y
y = _____
10) 2( x – 4 ) = 18
y = _____
11) 125 除 x = 25 + 5
y = _____
12) 8y – 12 = 12
y = _____
13) 49 – y = 34
y = _____
14) 10( 8 + y ) = 150
y = _____
15) y 除 8 – 7 = 16
y = _____
方程式 (簡易)
2013-05-04 8:56 am
回答 (2)
2013-05-04 9:45 am
✔ 最佳答案
1)16 + 3y - y = 40
16 + 2y = 40
2y = 24
y = 12
=====
2)
2y + 3y = 20 + y
5y = 20 + y
4y = 20
y = 5
=====
3)
7y - 3y - y = 87
3y = 87
y = 29
=====
4)
16 - 2y = 0
2y = 16
y = 8
=====
5)
7y = 15
y = 15/7
=====
6)
3(y - 4) = 0
y - 4 = 0
y = 4
=====
7)
2y ÷ 5 - 1 = 5
2y ÷ 5 = 6
2y = 30
y = 15
=====
8)
y ÷ 3 + 5 = 5
y ÷ 3 = 0
y = 0
=====
9)
5 + 7y = 35 + 5y
2y = 30
y = 15
=====
10)
2(x - 4) = 18
x - 4 = 9
x = 13
=====
11)
125 ÷ x = 25 + 5
125 ÷ x = 30
30x = 125
6x = 25
x = 25/6
=====
12)
8y - 12 = 12
8y = 24
y = 3
=====
13)
49 - y = 34
-y = -15
y = 15
=====
14)
10(8 + y) = 150
8 + y = 15
y = 7
=====
15)
y ÷ 8 - 7 = 16
y ÷ 8 = 23
y = 184
參考: 不用客氣
2013-05-04 9:58 am
1. y = 12
2. y = 5
3. y = 29
4. y = 8
5. y = 15/7
6. y = 4
7. y = 15
8. y = 0
9.y = 15
10. x = 13
11. x = 125/30
12. y = 3
13. y = 15
14. y = 7
15. y = 184
2. y = 5
3. y = 29
4. y = 8
5. y = 15/7
6. y = 4
7. y = 15
8. y = 0
9.y = 15
10. x = 13
11. x = 125/30
12. y = 3
13. y = 15
14. y = 7
15. y = 184
收錄日期: 2021-04-13 19:27:50
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20130504000051KK00023