几题数学题(急!30分钟内回答者给高分!)1.① 2mn/4m²-9与2m-3/2m+3② x+4/x²+4x与x-5/x(x-5)-2(x-5)2.约分①a²-b²/-a-b3.将分式1/x-2,1/3x+6,3/x³-4x通分后它们分别变为( )4.已知:x为整数,

来源:学生作业帮助网 编辑:作业帮 时间:2024/12/01 07:03:38
xW[OG+ƻ^ﮱDR_XF2PJm0.)7%`MqA;\7bR"932 o*Uz~m#fo=ߣYwd֛2On=|OTZyTsjFJ55#2oVj`6:UFثC"d%i1jjR6ô:6mtV EL;SL!|FVf!Vieֹ:cZ*;:l!P5nP k韴5| 2/8w/zW8q\E S[]Hʫ=G3lZ qw ҿ'S{M~ ~$&&I珆iqëdpzJjnHWROJql,2՜[,xiey2Gэ=_U:QLܳwR3$E%! M&o _fb@A!Y4wa4_/smr@axa/O9tяK%Kd<ԋmǷ8HWeE d'K%ZUKv-xU`fŒCBƹ:T姩ݿo:ĎNq4lPִ|R'|(Ն&n0 >S,[vĀ&;KP< sNq%J,//ʊ`bN g[DC14R qP܃<$yHRPOdZ*N(w%V&j|NP[ǫ`| tF{n1Ɇ2zW'*&3iX|4-I$2`@"I2~u}bTи]ZwaL (3-fCFg/_Œ"׹~\qD! SS\/м8$ONhGJSHc1͘""T>n .`盟Xj ,Vg xZ))2 VrKF62biy ݝGZ|Ƶg3bd zέ 9J+Q#f,r.lF`ܞcwz ℴ7+ҜVȣ4{&.·o(D=;-w%Y'${u_8h͞ҷ'~P[ӆY9II_n2pXkwwb/y\k|zw8̂⢵IX*'~whr0?l!xw/P-#2Gjăn!~a|]{Co