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方程4x2=0的解是 ;
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教案备课库《作业:05122.1一元二次方程》真题及答案
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与已知二元一次方程5x-y=2组成的方程组有无数多个解的方程是
10x+2y=4
4x-y=7
20x-4y=3
15x-3y=6
解分式方程可知方程
解为x=2
解为x=4
解为x=3
无解
若x是方程4﹣4x﹣3=29﹣x的解y是方程62y﹣5+20=41﹣2y的解求2﹣3xy+x2﹣[2
x=12是下面方程的解.
4x﹣2.4x=6.4
20x÷4=10
2x﹣4=20
方程4x+y=20的正整数解有组.
2
3
4
5
已知4元齐次线性方程组的解全是4元方程iix1+x2+x3=0的解求齐次方程组i的解
如果关于x的方程-2x=4-a的解大于方程ax-1=xa-2的解求a的取值范围.
关于x的方程ax+4=1-2x的解恰好为方程2x-1=5的解则a=.
方程x²-4x的解是
若方程2x+1=3x的解与关于x的方程x﹣3a=4的解相同求关于y的方程的解.
阅读下面的解题过程解方程|x+3|=2.解当x+3≥0时原方程可化成为x+3=2解得x=-1经检验x
当m为何值时关于x的方程3x+m=2x+7的解比关于x的方程4x﹣2=3x+m的解大9
下列说法中正确的是
方程3x-4y=1可能无解.
方程3x-4y=1有无数组解,即x,y可以取任何数值.
方程3x-4y=1只有两组解,两组解是:
是方程3x-4y=1的一组解.
x=12是下面方程的解.
4x﹣2.4x=6.4
20x÷4=10
2x﹣4=20
x=12是下面方程的解.
4x﹣2.4x=6.4
20x÷4=10
2x﹣4=20
3x+8=23
.若关于x的方程3x﹣7=2x+a的解与方程4x+3=7的解相同则a的值为__________.
理解同解方程的定义再解题1同解方程的定义为如果两个方程的解相同那么这两个方程叫同解方程反之如果两个方
已知4元齐次线性方程组的解全是4元方程iix1+x2+x3=0的解Ⅰ求a的值Ⅱ求齐次方程组i的解Ⅲ求
当a为何值时方程35x-6=3-20x的解也是方程a-x=2a+10x的解
已知4元齐次线性方程组的解全是4元方程iix1+x2+x3=0的解求齐次方程ii的解
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