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分式方程﹣1=的解为( )
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下列说法中①含有分母的方程是分式方程②分母中含有分母的方程是分式方程③分母中含有未知数的方程是分式方
①②⑤
③④⑥
①②③
④⑤⑥
解分式方程的结果为
1
-1
-2
无解
下列说法中错误的是
分式方程的解等于0,就说明这个分式方程无解
解分式方程的基本思路是把分式方程转化为整式方程
检验是解分式方程必不可少的步骤
能使分式方程的最简公分母等于零的未知数的值不是原分式方程的解
分式方程=1的解为
解分式方程可知方程
解为x=2
解为x=4
解为x=3
无解
分式方程的解为_____________.
分式方程的解为
1
-1
-2
-3
分式方程的应用列分式方程解应用题的步骤跟一次方程组的应用题不一样的是要检验⑤既要检验求出来的解是否为
分式方程-1=0的解是______.
分式方程的解为
1
-1
-2
-3
分式方程=1的解是__
如果分式方程的解与分式方程=1的解相同则a的值为.
下列关于分式方程增根的说法正确的是
使所有的分母的值都为零的解是增根
使最简公分母的值为零的解是增根
使分子的值为零的解就是增根
分式方程的解为零就是增根.
解分式方程可知方程
解为x=7
解为x=8
解为x=15
无解
下列说法中错误的是
分式方程的解等于0,就说明这个分式方程无解
解分式方程的基本思路是把分式方程转化为整式方程
检验是解分式方程必不可少的步骤
能使分式方程的最简公分母等于零的未知数的值不是原分式方程的解
1解关于m的分式方程=﹣12若1中分式方程的解m满足不等式mx+3>0求出此不等式的解集.
分式方程的解为
1
-1
-2
-3
解分式方程的指导思想是化分式方程为方法是分式方程的两边都乘.
分式方程及解法分式方程的概念分母里含有①的方程叫做分式方程.分式方程的解法解分式方程的基本思路是将分
下列说法错误的是
解分式方程的基本思路是把分式方程转化为整式方程
检验是解分式方程必不可少的步骤
分式方程的解等于0,就是说明此分式方程无解
使分式方程的最简公分母等于零的未知数的值不是原分式方程的解
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如图所示的扇形是一个圆锥的侧面展开图若∠AOB=120°弧AB的长为12πcm则该圆锥的侧面积为cm2.
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π﹣3.14160.中无理数的个数是
Medicinewilldoharmto健康ifitisnottakenproperly.
根据短文内容从下面方框中选择适当的单词或短语填空使短文内容完整正确并将答案填写在答题卡标号为51﹣55的相应位置上. Inancienttimestherewerenoclocks.Itwastheroosterthattoldpeopleitwastimeto51andstartwork.Thereforehard﹣workingancientChinesepeoplewerebigfansoftherooster. Traditionallytheroosterwasseen52thatcouldgetridofevilspirits.Folktalessayalltheevilthingsatnightleaveonceroosters53.Theroosteralsoenjoysagoodreputation名声forits54.ThepronunciationofroosterinPutonghuais55thatofchance.Haveyounoticedthis? 51. 52. 53. 54. 55.
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将一副三角尺在Rt△ABC中∠ACB=90°∠B=60°在Rt△EDF中∠EDF=90°∠E=45°如图摆放点D为AB的中点DE交AC于点PDF经过点C将△EDF绕点D顺时针方向旋转α0°<α<60°DE′交AC于点MDF′交BC于点N则的值为
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