解方程练习题20道

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解方程练习题20道

来源：baiyundou.net 日期：2024-09-02

五年级上册解方程分类练习题（同步练习），熟练掌握，烂熟于心

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戴闸泳4587要20道初一上册数学解方程计算题不要太简单,也不要太难,一般人会做就行 -
伊欢疮13769973895 ______[答案] 1.2x-10.3x=15 2 .0.52x-(1-0.52)x=80 3 .x/2+3x/2=7 4 .3x+7=32-2x 5 .3x+5(138-x)=540 6 .3x-7(x-1)=3-2(x+3) 7 .18x+3x-3=18-2(2x-1) 8 .3(20-y)=6y-4(y-11) 9 .-(x/4-1)=5 10.3[4(5y-1)-8]=6 11.5x-10=812.12(x-...

戴闸泳4587解分式方程的题出20道还要带答案 -
伊欢疮13769973895 ______[答案] 1/2x=2/x+3 对角相乘 4x=x+3 3x=3 x=1 分式方程要检验经检验,x=1是方程的解 x/(x+1)=2x/(3x+3)+1 两边乘3(x+1) 3x=2x+(3x+3) 3x=5x+3 2x=-3 x=-3/2 分式方程要检验经检验,x=-3/2是方程的解 2/x-1=4/x^2-1 两边乘(x...

戴闸泳4587一元一次或二元一次方程题20条 -
伊欢疮13769973895 ______[答案] 解方程组的题目:1) 66x+17y=3967 25x+y=1200 答案:x=48 y=47 (2) 18x+23y=2303 74x-y=1998 答案:x=27 y=79 (3) 44x+90y=7796 44x+y=3476 答案:x=79 y=48 (4) 76x-66y=4082 30x-y=2940 答案:x=98 y=51 (5) 67x+5...

戴闸泳4587帮忙出20道七年级上册数学一元一次方程,是20道解方程题, -
伊欢疮13769973895 ______[答案] 247x+114=37 71x+3=124 40x+61=223 35x+103=171 239x+51=119 187x+255=67 135x+203=15 83x+151=219 31x+99=167 235x+47=115 183x+251=63 131x+199=11 79x+147=215 79x+199=116 137x+43=111 179x+247=59 127x+195=7 7...

戴闸泳4587初二上册20道解方程 -
伊欢疮13769973895 ______ 1.2x^2-5x-4=0(配方法) 2.(2y+1)^2+3(2y+1)+2=0 3..(x-1)(x+3)-2(x+3)^2-3(x^2-9)=0 4.abx^2-(a^4+b^4)x+a^3b^3=0 5.(ax-b*3)(bx-a*3)=0 6.ax2+bx+c=0(b2-4ac>=0)(a不等于0) 7.X+Y=16 4800*X/60+12000*Y/60=1880 8.x平方-y平方=1 与 (x-y)平方-2(x-y)-3=0 9.x平方-9/4y平方=0 与 4/3x平方+4xy+3y平方=1/3 10. x*270/(270+30)+(100-x)*400/(400+100)=82.5

戴闸泳4587初一解方程计算题 21道 -
伊欢疮13769973895 ______[答案] 7(2x-1)-3(4x-1)=4(3x+2)-1; (5y+1)+ (1-y)= (9y+1)+ (1-3y); 20%+(1-20%)(320-x)=320*40% 2(x-2)+2=x+1 2(x-2)-3(4x-1)=9(1-x) x/3 -5 = (5-x)/2 2(x+1) /3=5(x+1) /6 -1 (1/5)x +1 =(2x+1)/4 (5-2)/2 - (4+x)/3 =...

戴闸泳4587100道方程题带答案 -
伊欢疮13769973895 ______[答案] 一、填空题(每小题3分,共24分) 1.(-1)2002-(-1)2003=_________________. 答案:2 2.已知某数的比它大 ,若设某数为x,则可列方程_______________. 答案: x=x+ 3.如图1,点A、B、C、D在直线l上.则BC=_________-CD,AB+________+...

戴闸泳4587最复杂的一元一次方程题各要20道,在今天晚上之前 -
伊欢疮13769973895 ______[答案] 1.某村去年种植的油菜亩产量达160千克,含油率为40%,今年改种新选育的油菜籽后,亩产量提高了20千克,含油率增加了十个百分点. (1)今年比去年种植面积减少了44亩,而村榨油厂用本村所产油菜籽的产油量提高了20%,今年的油菜种植面...

戴闸泳458710道解方程,10道解比例,10道简便运算,10道化简比, -
伊欢疮13769973895 ______[答案] 10道解方程7(2x-1)-3(4x-1)=4(3x+2)-1; (5y+1)+ (1-y)= (9y+1)+ (1-3y);20%+(1-20%)(320-x)=320*40% 2(x-2)+2=x+1 2(x-2)-3(4x-1)=9(1-x) 11x+64-2x=100-9x 15-(8-5x)=7x+(4-3x) 3(x-7)-2[9-4(2-x)]=22 3/2[2/3(1/4...

戴闸泳458720道解方程应用题急 -
伊欢疮13769973895 ______[答案] 1.某中学修整草场,如果让初一学生单独工作,需要7.5小时完成;如果让初二学生单独做,需要5小时完成.如果让初一、初... 根据“以知两人在上午8时同时出发,到上午10时,两人还相距36千米”这句话列出方程结果 X=108 答:AB两地相距108...

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