MASTHS十分EASY送分題 不過好急下
回答 (5)
2007-10-03 3:42 am
✔ 最佳答案
1. 19b-7b-5b=-5312b= 53+19
12b=72
b=6
2. 2(2x-1)=6
2x-1=3
2x=2
x=1
3. 3(2-z)=-9
2-z= -3
z=5
4. 16=-8(5p+8)
5p+8=-2
5p=-10
p=-2
2007-10-03 3:47 am
19-7b-5b= - 53
53+19=7b+5b
72=12b
b= 6
2(2x-1)=6
4x-2=6
4x=8
x=2
3(2-z)= - 9
6- 3z= -9
6+9= 3z
15= 3z
z= 5
16= -8(5p+8)
16= -40p-64
80= -40p
p= -2
53+19=7b+5b
72=12b
b= 6
2(2x-1)=6
4x-2=6
4x=8
x=2
3(2-z)= - 9
6- 3z= -9
6+9= 3z
15= 3z
z= 5
16= -8(5p+8)
16= -40p-64
80= -40p
p= -2
參考: mine
2007-10-03 3:47 am
q1: 19-2b= -53
19+ 53 = 2b
b = 72 /2
b= 36
q2: 2(2x-1)=6
2x-1= 6/2
2x = 3+1
x= 4/2
x= 2
q3: 3(2-z)= - 9
2-z = -9/3
2+ 3= z
z= 5
q4: 16= -8(5p+8)
16/ -8 = 5p+8
-2 -8= 5p
p= -10/5
p= -2
19+ 53 = 2b
b = 72 /2
b= 36
q2: 2(2x-1)=6
2x-1= 6/2
2x = 3+1
x= 4/2
x= 2
q3: 3(2-z)= - 9
2-z = -9/3
2+ 3= z
z= 5
q4: 16= -8(5p+8)
16/ -8 = 5p+8
-2 -8= 5p
p= -10/5
p= -2
2007-10-03 3:42 am
1.19-7b-5b= - 53
19-12b=-53
19+53=12b
72=12b
b=72/12
b=6
2.2(2x-1)=6
4x-2=6
4x=6+2
4x=8
x=2
3.3(2-z)= - 9
6-3z=-9
6+9=3z
15/3=z
z=5
4.16= -8(5p+8)
16=-40p-64
16+64=-40p
80=-40p
80/-40=p
p=-2
Hope I can help u^^
19-12b=-53
19+53=12b
72=12b
b=72/12
b=6
2.2(2x-1)=6
4x-2=6
4x=6+2
4x=8
x=2
3.3(2-z)= - 9
6-3z=-9
6+9=3z
15/3=z
z=5
4.16= -8(5p+8)
16=-40p-64
16+64=-40p
80=-40p
80/-40=p
p=-2
Hope I can help u^^
2007-10-03 3:42 am
1.
19-7b-5b= - 53
12b=-72
b=-6
2.
2(2x-1)=6
4x-2=6
4x=8
x=2
3.
3(2-z)= - 9
6-3z=-9
-3z=-15
z=5
4.
16= -8(5p+8)
16= -40p+64
-48=-40p
p=1.2
2007-10-02 19:46:08 補充：
計錯 sor~4.16= -8(5p 8) 16= -40p-6480=-40pp=-2
2007-10-02 19:47:40 補充：
1. 19-7b-5b= - 53-12b=-72b=6
19-7b-5b= - 53
12b=-72
b=-6
2.
2(2x-1)=6
4x-2=6
4x=8
x=2
3.
3(2-z)= - 9
6-3z=-9
-3z=-15
z=5
4.
16= -8(5p+8)
16= -40p+64
-48=-40p
p=1.2
2007-10-02 19:46:08 補充：
計錯 sor~4.16= -8(5p 8) 16= -40p-6480=-40pp=-2
2007-10-02 19:47:40 補充：
1. 19-7b-5b= - 53-12b=-72b=6
參考: Me
收錄日期: 2021-04-13 13:43:08
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https://hk.answers.yahoo.com/question/index?qid=20071002000051KK03065