问题
解答题
(1)计算:-22+
(2)解不等式
|
答案
(1)原式=-4+
-25 16 3 - 125 64
=-4+
+5 4 5 4
=-
.3 2
(2)去分母得,2(x+1)<3(2x-5)+12
解得x>
.5 4
(1)计算:-22+
(2)解不等式
|
(1)原式=-4+
-25 16 3 - 125 64
=-4+
+5 4 5 4
=-
.3 2
(2)去分母得,2(x+1)<3(2x-5)+12
解得x>
.5 4