英语:翻译句子:1.请为你的晚餐列一个食物清单.写出下面句子的一般疑问句:1.He is my brother's friend.2.She likes sandwiches.3.They like vegetable.4.I like bananas.5.His last name is Green.1.根据下列问题设未知

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英语:翻译句子:1.请为你的晚餐列一个食物清单.写出下面句子的一般疑问句:1.He is my brother's friend.2.She likes sandwiches.3.They like vegetable.4.I like bananas.5.His last name is Green.1.根据下列问题设未知
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英语:翻译句子:1.请为你的晚餐列一个食物清单.写出下面句子的一般疑问句:1.He is my brother's friend.2.She likes sandwiches.3.They like vegetable.4.I like bananas.5.His last name is Green.1.根据下列问题设未知
英语:翻译句子:1.请为你的晚餐列一个食物清单.写出下面句子的一般疑问句:1.He is my brother's friend.2.She likes sandwiches.3.They like vegetable.4.I like bananas.
5.His last name is Green.1.根据下列问题设未知数,列方程并估计方程的解:四年前哥哥的年龄是妹妹的三倍,今年是妹妹年龄的两倍.求妹妹今年的年龄.解方程(过程):(1.)13x-15x+x=-3 (2.)2.5y+10y-6y=15-21.5 (3.)二分之一b减三分之二b+b=三分之二x6-1

英语:翻译句子:1.请为你的晚餐列一个食物清单.写出下面句子的一般疑问句:1.He is my brother's friend.2.She likes sandwiches.3.They like vegetable.4.I like bananas.5.His last name is Green.1.根据下列问题设未知
1.Please make a food list for your supper.
2.(1)Is he my brother's friend?
(2)Does she like sandwiches?
(3)Do they like vegetable?
(4)Do you like bananas?
(5)Is his last name Green?
3.设妹妹今年x岁,哥哥今年y岁
{y-4=3(x-4) ①
{y=2x ②
把②代入①得:2x-4=3(x-4)
2x-4=3x-12
x=8
答:妹妹今年8岁.
(2)13x-15x+x=-3
x=3
(3)2.5y+10y-6y=15-21.5
y=-1
(4)二分之一b减三分之二b+b=三分之二x6-1
b=五分之十八

1.Please make a list of the food you want for dinner.
一般疑问句:
1.Is he your brother's friend ?
2.Does she like sandwiches ?
3.Do they like vegetable ?
4.Do you like bananas ?
5.I...

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1.Please make a list of the food you want for dinner.
一般疑问句:
1.Is he your brother's friend ?
2.Does she like sandwiches ?
3.Do they like vegetable ?
4.Do you like bananas ?
5.Is his last name Green ?
数学题:
设哥哥现在的年龄为X
妹妹现在的年龄为Y
得方程组
X-4=3(Y-4)
X=2Y 解得:
X=16
Y=8妹妹现在的年龄是8岁
解方程(这个还要过程?说笑了吧!):
1.-x=-3
得x=3
2.6.5y=-6.5
得y=-1
3.1/2b-2/3b+b=2/3×6-1=3
得5/6b=3
b=3.6

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1. Please make a food list for your supper.
2. (1)Is he my brother's friend?
(2)Does she like sandwiches?
(3)Do they like vegetable?
(4)Do you like bananas?
(5)Is his l...

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1. Please make a food list for your supper.
2. (1)Is he my brother's friend?
(2)Does she like sandwiches?
(3)Do they like vegetable?
(4)Do you like bananas?
(5)Is his last name Green?
3.(1)设妹妹今年x岁,哥哥今年y岁
{y-4=3(x-4) ①
{y=2x ②
把②代入①得:2x-4=3(x-4)
2x-4=3x-12
x=8
答:妹妹今年8岁。
(2)13x-15x+x=-3
-x=-3
x=3
(3)2.5y+10y-6y=15-21.5
6.5y=-6.5
y=-1
(4)二分之一b减三分之二b+b=三分之二x6-1
六分之五b=3
b=五分之十八

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