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解方程. (1)6x+10.8=40.8 (2)1.2x÷2=60 (3)16×0.5+3x=14
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用配方法解方程3x2﹣6x+1=0则方程可变形为
(x﹣3)
2
=
3(x﹣1)
2
=
(x﹣1)
2
=
(3x﹣1)
2
=1
解方程12﹣22x+1=31+x
解方程去分母正确的是
2(x﹣1)﹣3(4x﹣1)=1
2x﹣1﹣12+x=1
2(x﹣1)﹣3(4﹣x)=6
2x﹣2﹣12﹣3x=6
解方程2x+1/3-5x-1/6=1
解方程-=1时去分母后正确的结果是
4x+1-10x+1=1
4x+2-10x+1=1
4x+2-10x-1=6
4x+2-10x+1=6
解方程x2-6x+1=0.
解方程x2﹣6=﹣2x+1
阅读下面的例题解方程x﹣12﹣5|x﹣1|﹣6=0例解方程x2﹣|x|﹣2=0解令y=|x|原方程化
解方程1x2+x-12=0
解方程.去分母得32x+1-12=12x-10x+1去括号得6x+3-12=12x-10x-1移项合
我们规定若关于x的一元一次方程ax=b的解为b﹣a则称该方程为差解方程例如2x=4的解为2且2=4﹣
解方程去分母正确的是
2(x﹣1)﹣3(4x﹣1)=1
2x﹣1﹣12+x=1
2(x﹣1)﹣3(4﹣x)=6
2x﹣2﹣12﹣3x=6
解方程去分母正确的是
2x﹣1﹣x+2=2
2x﹣1﹣x+2=12
2x﹣2﹣x﹣2=6
2x﹣2﹣x﹣2=12
解方程:x2﹣6x=1.
解方程x2+6x﹣1=0.
.阅读下面的例题解方程x﹣12﹣5|x﹣1|﹣6=0解方程x2﹣|x|﹣2=0解原方程化为|x|2﹣
用配方法解方程3x2-6x+1=0
解方程时去分母正确的是
2(x﹣1)﹣3(4x﹣1)=1
2x﹣1﹣12+x=1
2(x﹣1)﹣3(4﹣x)=6
2x﹣2﹣12﹣3x=6
解方程5x﹣12﹣2x+32=x﹣23x+6﹣12x.
不解方程判断下列方程根的情况12x2+x-6=0
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