[数学+英文题]代数式...救命..明天要交了..1.x和y是两个不同的整数.若x和y在数线上-5和2之间,且x在y的右边,求x和y的值.3.Find two sets of values of a and b so that the values of the expressions a+2b and 3a-3b are the
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/07 00:59:50
![[数学+英文题]代数式...救命..明天要交了..1.x和y是两个不同的整数.若x和y在数线上-5和2之间,且x在y的右边,求x和y的值.3.Find two sets of values of a and b so that the values of the expressions a+2b and 3a-3b are the](/uploads/image/z/6919838-62-8.jpg?t=%5B%E6%95%B0%E5%AD%A6%2B%E8%8B%B1%E6%96%87%E9%A2%98%5D%E4%BB%A3%E6%95%B0%E5%BC%8F...%E6%95%91%E5%91%BD..%E6%98%8E%E5%A4%A9%E8%A6%81%E4%BA%A4%E4%BA%86..1.x%E5%92%8Cy%E6%98%AF%E4%B8%A4%E4%B8%AA%E4%B8%8D%E5%90%8C%E7%9A%84%E6%95%B4%E6%95%B0.%E8%8B%A5x%E5%92%8Cy%E5%9C%A8%E6%95%B0%E7%BA%BF%E4%B8%8A-5%E5%92%8C2%E4%B9%8B%E9%97%B4%2C%E4%B8%94x%E5%9C%A8y%E7%9A%84%E5%8F%B3%E8%BE%B9%2C%E6%B1%82x%E5%92%8Cy%E7%9A%84%E5%80%BC.3.Find+two+sets+of+values+of+a+and+b+so+that+the+values+of+the+expressions+a%2B2b+and+3a-3b+are+the)
[数学+英文题]代数式...救命..明天要交了..1.x和y是两个不同的整数.若x和y在数线上-5和2之间,且x在y的右边,求x和y的值.3.Find two sets of values of a and b so that the values of the expressions a+2b and 3a-3b are the
[数学+英文题]代数式...救命..明天要交了..
1.x和y是两个不同的整数.若x和y在数线上-5和2之间,且x在y的右边,求x和y的值.
3.Find two sets of values of a and b so that the values of the expressions a+2b and 3a-3b are the same.Explain briefly.
(请举例2项)
可以列式吗?
[数学+英文题]代数式...救命..明天要交了..1.x和y是两个不同的整数.若x和y在数线上-5和2之间,且x在y的右边,求x和y的值.3.Find two sets of values of a and b so that the values of the expressions a+2b and 3a-3b are the
1题:x={x:-5≤x≤2,x属于整数集},y={y:-5≤y≤2,y属于整数集,且x≠y}
3题:
1.a=0,b=0
2.a=10,b=4
Explaination:
from a+2b = 3a-3b ,know 2a=5b
first you can give a value to "a",then you will obtain the only value of "b" by the formula 2a=5b.