问题
解答题
计算下列各式:(式中字母都是正数) (1)
(2)
|
答案
(1)原式=
•2+ 4 3 3 1+ (
-1)23
=
•2+ 4 3 3 3
=2
+43
=(
+1)23
=
+1.3
(2)原式=(m+1)(m
+1)1 3 (m
+1)(m1 3
-m2 3
+1)1 3
=(m+1)(m
+1)1 3 m+1
=m
+1.1 3
计算下列各式:(式中字母都是正数) (1)
(2)
|
(1)原式=
•2+ 4 3 3 1+ (
-1)23
=
•2+ 4 3 3 3
=2
+43
=(
+1)23
=
+1.3
(2)原式=(m+1)(m
+1)1 3 (m
+1)(m1 3
-m2 3
+1)1 3
=(m+1)(m
+1)1 3 m+1
=m
+1.1 3