8y + 13 = 77Y =
9 +5C = 54 C =
12+ 9 P = 48 P =
3D - 7 =20 d =
5h - 20 = 65 b =
這是方程式..謝了
5年級數學方程式5題
2007-08-28 10:02 pm
回答 (5)
2007-08-28 10:09 pm
✔ 最佳答案
Q1). Y=8Q2). C=9
Q3). P=4
Q4). D=9
Q5). H=17
2007-09-12 7:01 pm
1.
8Y+13=77
8Y=77-13
8Y/8=64/8
Y=8
2.
9+5C=54
5C=54-9
5C/5=45/5
C=9
3.
12+9P=48
9P=48-12
9P/9=36/9
P=4
4.
3D-7=20
3D=20+7
3D/3=27/3
D=9
5.
5h-20=65
5h=65+20
5h/5=85/5
h=17
希望可以幫助你!
8Y+13=77
8Y=77-13
8Y/8=64/8
Y=8
2.
9+5C=54
5C=54-9
5C/5=45/5
C=9
3.
12+9P=48
9P=48-12
9P/9=36/9
P=4
4.
3D-7=20
3D=20+7
3D/3=27/3
D=9
5.
5h-20=65
5h=65+20
5h/5=85/5
h=17
希望可以幫助你!
2007-08-28 10:28 pm
1.8y+13=77y
13=77y-8y
13=69y
13/69=y
2.9+5C=54C
9=54C-5C
9=49C
9/49=C
3.12+9P = 48P
12=48P-9P
12=39P
12/39=P
4/13=P
4.3d-7=20d
7=3d-20d
7=-17d
7/-17=d
5.5h-20=65h
20=5h-65h
20=-60h
20/-60=h
13=77y-8y
13=69y
13/69=y
2.9+5C=54C
9=54C-5C
9=49C
9/49=C
3.12+9P = 48P
12=48P-9P
12=39P
12/39=P
4/13=P
4.3d-7=20d
7=3d-20d
7=-17d
7/-17=d
5.5h-20=65h
20=5h-65h
20=-60h
20/-60=h
參考: me
2007-08-28 10:10 pm
1. 8y + 13 = 77
y= 8
2. 9 +5C = 54
C= 9
3. 12+ 9 P = 48
P= 4
4. 3D - 7 =20
D= 9
5. 5b - 20 = 65
b= 17
y= 8
2. 9 +5C = 54
C= 9
3. 12+ 9 P = 48
P= 4
4. 3D - 7 =20
D= 9
5. 5b - 20 = 65
b= 17
收錄日期: 2021-04-23 21:47:32
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070828000051KK02456