1.若x=b分之a 则a-b分之a+b= (用含x的式子表示)2.已知a:b:c=3:5:7 且3a+2b-4c=9 求a+b+c的值
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/13 23:42:27
![1.若x=b分之a 则a-b分之a+b= (用含x的式子表示)2.已知a:b:c=3:5:7 且3a+2b-4c=9 求a+b+c的值](/uploads/image/z/2807791-7-1.jpg?t=1.%E8%8B%A5x%3Db%E5%88%86%E4%B9%8Ba+%E5%88%99a-b%E5%88%86%E4%B9%8Ba%2Bb%3D+%EF%BC%88%E7%94%A8%E5%90%ABx%E7%9A%84%E5%BC%8F%E5%AD%90%E8%A1%A8%E7%A4%BA%EF%BC%892.%E5%B7%B2%E7%9F%A5a%EF%BC%9Ab%EF%BC%9Ac%3D3%EF%BC%9A5%EF%BC%9A7+%E4%B8%943a%2B2b-4c%3D9+%E6%B1%82a%2Bb%2Bc%E7%9A%84%E5%80%BC)
xUn@~=qcJ#}%TA>U-%? "
FDEC@IˡoBvr+(`%73f3Jӣ+
Ggd-}K[凵^+6V4?4A5ÿ@-mo-G3>]9.V6J<{`giszX?cI~Ѹu=C~xm5h|o&Yfoc?*S1NMa?B"xɚ'eIo_KU^=]Dp+N`Xa[U4SvEìd;@R=sOUD]-+tpι?7/'!DMTJ2H7JNR08aPР)asE )Z)RP(ՠ@r0bTQ7g=W$47;>b1BٸhȐ jvQ.eby_>7UfZP|'!XK`<L
~WPQQ<ބ f(Mo^.`hxQPf9%(a(}@Q^=+&8x^
6"o;?>URM*!YƢ>@qa^"j"Y"wY>5t/Q[$BElIF
~