1. 7與一個數的3倍的和是16,這個數是什麼?
2. 某數的6倍比它的4倍大12,求該數.
3. 如果兩個連續 數的和是37,求較小的一個數.
4. 3加上一個數的一 ,結果是9.求該數.
5. 雪珊買了X 盒果汁糖,她的果汁糖總數可以用 數式6+10X表示.如果雪珊總共有36粒果汁糖,她一共買了多小盒糖?
數學!!!!!!!!!
2006-10-26 7:08 am
回答 (4)
2006-10-26 7:11 am
✔ 最佳答案
1) LET X BE THE NUMBER.7 + 3X = 16
3X = 16 - 7
3X = 9
X = 3
2006-10-25 23:12:44 補充：
2) LET Y BE THE NUMBER.6Y - 12 = 4Y6Y - 4X = 122X = 12X = 6THEREFORE, THE NUMBER IS 6.
2006-10-25 23:14:55 補充：
3) LET X BE THE SMALLER NUMBER.X + (X+1) = 372X + 1 = 372X = 36X = 18. THEREFORE, THE SMALLER NUMBER IS 18.
2006-10-25 23:17:49 補充：
4) 3加上一個數的一 ,結果是9.求該數.???????5) 6 + 10X = 36 10X = 36 - 6 10X = 30 X = 3
2006-10-26 8:15 am
1) 7+3x=16
3x=16-7
3x/3=9/3
x=3
2) 6x-4x=12
2x=12
x=6
3) 2x+1=37
2x+1-1=37-1
2x=36
4) You made some mistakes, Pls fix ur problem!
5) 6+10x=36
6+10x-6=36-6
10x=30
x=3
3x=16-7
3x/3=9/3
x=3
2) 6x-4x=12
2x=12
x=6
3) 2x+1=37
2x+1-1=37-1
2x=36
4) You made some mistakes, Pls fix ur problem!
5) 6+10x=36
6+10x-6=36-6
10x=30
x=3
2006-10-26 8:03 am
1)7+3n=16
3n=9
n=3
2) 6n=4n+12
6n-4n=12
2n=12
n=6
3)n+n+1=37
2n+1=37
2n=36
n=18
4)?????
5)6+10X=36
10X=30
X=10
10box
3n=9
n=3
2) 6n=4n+12
6n-4n=12
2n=12
n=6
3)n+n+1=37
2n+1=37
2n=36
n=18
4)?????
5)6+10X=36
10X=30
X=10
10box
2006-10-26 7:16 am
1. 7+3x =16
x=3
2. 4x+12=6x
x=6
3.x+x+1=37
x=18
4. I don't understand
5. 6+10X=36
x=10
She bought 10 boxes
x=3
2. 4x+12=6x
x=6
3.x+x+1=37
x=18
4. I don't understand
5. 6+10X=36
x=10
She bought 10 boxes
參考: me
收錄日期: 2021-05-03 05:58:03
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