3xy-4xy-(-2xy) 快啊,亲

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/26 10:37:15
3xy-4xy-(-2xy) 快啊,亲
xKn12)fgˮL4Ap+ Y x ٠ΣX*U%ۿ+/lG ?z?5Ltӝ]v޽}^|>Ψef)vÒ6'Ӻq#> H?R;>mf.Y ` kh1E#NAxrM pR$-ZJK2`S^)g1eVMRCOW6~.v'v=^=lAe!рK1`Y(*0TTY"d=#8@(1X /d 4<V'jqr?;kljQDLy-KE"Fuڳƃ#qBYG`18t8lI#o3y2f )P+ D-ף?7t

3xy-4xy-(-2xy) 快啊,亲
3xy-4xy-(-2xy) 快啊,亲

3xy-4xy-(-2xy) 快啊,亲

xy

=-xy+2xy=xy

xy

3xy-4xy+2xy

XY

xy

xy

Xy

=-1xy+1xy =0

xy

xy

xy

xy

xy