幫我解方程,THX~~~(寫埋式)
1.5=9+6-2x
2.4+3n-12=25
3.11-7y+3=-7
4.5h+1-4h=10
6.6m-11m+2=22
7.19-7b-5b=-53
幫我解方程,THX~~~(寫埋式)
2008-10-05 5:02 am
回答 (5)
2008-10-05 5:15 am
✔ 最佳答案
1.5=9+6-2x5-9-6=-2x
-10=-2x
x=5//
2.4+3n-12=25
3n=25+12-4
3n=33
n=11//
3.11-7y+3=-7
-7y=-7-3-11
-7y=-21
y=3//
4.5h+1-4h=10
h=10-1
h=9//
6.6m-11m+2=22
-5m=22-2
-5m=20
m=-4//
7.19-7b-5b=-53
-12b=-53-19
-12b=-72
b=6//
2008-10-05 5:26 am
1) 5=9+6-2x
2x=9+6-5
2x=10
x=5
2) 4+3n-12=25
3n=25-4+12
3n=33
n=11
3) 11-7y+3=(-7)
11+3+7=7y
21=7y
y=3
4) 5h+1-4h=10
h+1=10
h=10-1
h=9
6) 6m-11m+2=22
-5m+2=22
-5m=20
m=-4
7) 19-7b-5b=-53
19+53=7b+5b
72=12b
b=6
2x=9+6-5
2x=10
x=5
2) 4+3n-12=25
3n=25-4+12
3n=33
n=11
3) 11-7y+3=(-7)
11+3+7=7y
21=7y
y=3
4) 5h+1-4h=10
h+1=10
h=10-1
h=9
6) 6m-11m+2=22
-5m+2=22
-5m=20
m=-4
7) 19-7b-5b=-53
19+53=7b+5b
72=12b
b=6
2008-10-05 5:26 am
1.
5=9+6-2x
5=15-2x
2x=15-5
2x=10
x=5
2.
4+3n-12=25
3n=25-4+12
3n=33
n=11
3.
11-7y+3=-7
11+3+7=7y
21=7y
3=y
y=3
4.
5h+1-4h=10
5n-4n=10-1
n=9
6.
6m-11m+2=22
6m-11m=22-2
-5m=20
-m=4
m=-4
7.
19-7b-5b=-53
19+53=7b+5b
72=12b
6=b
b=6
Too easy!
5=9+6-2x
5=15-2x
2x=15-5
2x=10
x=5
2.
4+3n-12=25
3n=25-4+12
3n=33
n=11
3.
11-7y+3=-7
11+3+7=7y
21=7y
3=y
y=3
4.
5h+1-4h=10
5n-4n=10-1
n=9
6.
6m-11m+2=22
6m-11m=22-2
-5m=20
-m=4
m=-4
7.
19-7b-5b=-53
19+53=7b+5b
72=12b
6=b
b=6
Too easy!
2008-10-05 5:23 am
(1)
5=9+6-2x
2x=9+6-5
2x=10
x=5
(2)
4+3n-12=25
3n=25-4+12
3n=33
n=11
(3)
11-7y+3=-7
-7y=-7-11-3
-7y=-21
y=3
(4)
5h+1-4h=10
5h-4h=10-1
h=9
(6)
6m-11m+2=22
-5m=22-2
-5m=20
m=-4
(7)
19-7b-5b=-53
-12b=-53-19
-12b=-72
b=6
5=9+6-2x
2x=9+6-5
2x=10
x=5
(2)
4+3n-12=25
3n=25-4+12
3n=33
n=11
(3)
11-7y+3=-7
-7y=-7-11-3
-7y=-21
y=3
(4)
5h+1-4h=10
5h-4h=10-1
h=9
(6)
6m-11m+2=22
-5m=22-2
-5m=20
m=-4
(7)
19-7b-5b=-53
-12b=-53-19
-12b=-72
b=6
參考: me
2008-10-05 5:18 am
1.
5=9+6-2X
5-9-6=-2X
-10=-2X
X=5
2.
4+3N-12=25
3N=25+12-4
N=33/3
N=11
3.
11-7Y+3=-7
11+3+7=7Y
Y=3
4.
5H+1-4H=10
H=10-1
h=9
6(冇第5題?)
6m-11m+2=22
2-22=5m
-20=5m
m=4-
7.
19-7b-5b=-53
-12b=-53-19
-12b= -72
b=6
5=9+6-2X
5-9-6=-2X
-10=-2X
X=5
2.
4+3N-12=25
3N=25+12-4
N=33/3
N=11
3.
11-7Y+3=-7
11+3+7=7Y
Y=3
4.
5H+1-4H=10
H=10-1
h=9
6(冇第5題?)
6m-11m+2=22
2-22=5m
-20=5m
m=4-
7.
19-7b-5b=-53
-12b=-53-19
-12b= -72
b=6
收錄日期: 2021-04-23 20:34:36
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20081004000051KK02526