已知a+b-c=0,2a-b+2c=8(c不等于0)求(3a-2b+5c)÷(5a-3b+2c)的值
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/19 04:50:42
![已知a+b-c=0,2a-b+2c=8(c不等于0)求(3a-2b+5c)÷(5a-3b+2c)的值](/uploads/image/z/1798622-62-2.jpg?t=%E5%B7%B2%E7%9F%A5a%2Bb-c%3D0%2C2a-b%2B2c%3D8%28c%E4%B8%8D%E7%AD%89%E4%BA%8E0%EF%BC%89%E6%B1%82%EF%BC%883a-2b%2B5c%29%C3%B7%285a-3b%2B2c%29%E7%9A%84%E5%80%BC)
x){}Ktm
tum-4}ɮ>{:mlz8Q(I4Yv
D]cRZ6I*ҧYv6u)OXruuI.eDP }
CD]'{<5fhu2ɮ6gk?_.
O[7?[E^Ow==ټ9z6yv@ zfdz
已知a+b-c=0,2a-b+2c=8(c不等于0)求(3a-2b+5c)÷(5a-3b+2c)的值
已知a+b-c=0,2a-b+2c=8(c不等于0)求(3a-2b+5c)÷(5a-3b+2c)的值
已知a+b-c=0,2a-b+2c=8(c不等于0)求(3a-2b+5c)÷(5a-3b+2c)的值
a+b-c=0,2a-b+2c=8可解得:c=8-3a,b=8-4a;代入(3a-2b+5c)÷(5a-3b+2c),得:(24-4a)/(11a-8)你应该是题目抄错了,正确应该是倍数关系,能得出结果.