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> (1)计算:|-2|-116+(-2)-2-(-3)0.(2)计算:(1+1x-1)÷xx2-1.-数学
(1)计算:|-2|-116+(-2)-2-(-3)0.(2)计算:(1+1x-1)÷xx2-1.-数学
题目简介
(1)计算:|-2|-116+(-2)-2-(-3)0.(2)计算:(1+1x-1)÷xx2-1.-数学
题目详情
(1)计算:
|-2|-
1
16
+(-2
)
-2
-(-
3
)
0
.
(2)计算:(1+
1
x-1
)÷
x
x2-1
.
题型:解答题
难度:中档
来源:徐州模拟
答案
1)原式=2-
class="stub"1
4
+
class="stub"1
4
-1=2-1=1;
(2)原式=(
class="stub"x-1
x-1
+
class="stub"1
x-1
)•
x
2
-1
x
=
class="stub"x
x-1
•
(x+1)(x-1)
x
=x+1.
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题目简介
(1)计算:|-2|-116+(-2)-2-(-3)0.(2)计算:(1+1x-1)÷xx2-1.-数学
题目详情
(2)计算:(1+
答案
(2)原式=(