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> (1)计算:23+(-12)-2-3-1+19+(π-3.14)0;(2)解分式方程:xx-1=32x-2-2.-数学
(1)计算:23+(-12)-2-3-1+19+(π-3.14)0;(2)解分式方程:xx-1=32x-2-2.-数学
题目简介
(1)计算:23+(-12)-2-3-1+19+(π-3.14)0;(2)解分式方程:xx-1=32x-2-2.-数学
题目详情
(1)计算:
2
3
+(-
1
2
)
-2
-
3
-1
+
1
9
+(π-3.14
)
0
;
(2)解分式方程:
x
x-1
=
3
2x-2
-2
.
题型:解答题
难度:中档
来源:不详
答案
(1)原式=8+4-
class="stub"1
3
+
class="stub"1
3
+1=13;
(2)方程的两边同乘2(x-1),得:2x=3-2(x-1),
解得x=
class="stub"5
4
.
检验:把x=
class="stub"5
4
代入2(x-1)=
class="stub"1
2
≠0.
则原方程的解为:x=
class="stub"5
4
.
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题目简介
(1)计算:23+(-12)-2-3-1+19+(π-3.14)0;(2)解分式方程:xx-1=32x-2-2.-数学
题目详情
(2)解分式方程:
答案
(2)方程的两边同乘2(x-1),得:2x=3-2(x-1),
解得x=
检验:把x=
则原方程的解为:x=