先去括号,再合并同类项:①(8x-5y)-(4x-9y) ②x-(2x-y)+(3x-2y) ③先去括号,再合并同类项:①(8x-5y)-(4x-9y)②x-(2x-y)+(3x-2y)③2(x+y)+(-5x+2y)④-2(-3xy+2z)+3(-2xy-5x)

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/17 01:45:52
先去括号,再合并同类项:①(8x-5y)-(4x-9y) ②x-(2x-y)+(3x-2y) ③先去括号,再合并同类项:①(8x-5y)-(4x-9y)②x-(2x-y)+(3x-2y)③2(x+y)+(-5x+2y)④-2(-3xy+2z)+3(-2xy-5x)
xQN1|BuݶS.-쪰+p`7z!4$+ؒ刊'o3vմS~_A>yɇӏ2/f_No14&Ҥ棱H biB{)*`:(GSK&=5E(Z~yiB^;UPz}xͳtX%q̲VNRrit,nZ"i~7X΢-B|A75}JG AFM8&fE x4] QlC&qHw6TE 6B]e]

先去括号,再合并同类项:①(8x-5y)-(4x-9y) ②x-(2x-y)+(3x-2y) ③先去括号,再合并同类项:①(8x-5y)-(4x-9y)②x-(2x-y)+(3x-2y)③2(x+y)+(-5x+2y)④-2(-3xy+2z)+3(-2xy-5x)
先去括号,再合并同类项:①(8x-5y)-(4x-9y) ②x-(2x-y)+(3x-2y) ③
先去括号,再合并同类项:
①(8x-5y)-(4x-9y)
②x-(2x-y)+(3x-2y)
③2(x+y)+(-5x+2y)
④-2(-3xy+2z)+3(-2xy-5x)

先去括号,再合并同类项:①(8x-5y)-(4x-9y) ②x-(2x-y)+(3x-2y) ③先去括号,再合并同类项:①(8x-5y)-(4x-9y)②x-(2x-y)+(3x-2y)③2(x+y)+(-5x+2y)④-2(-3xy+2z)+3(-2xy-5x)