问题
解答题
设t是与
|
答案
=
+1
-13 2 3 2
+(
-1)(3 2
2+3 2
+1)3 2
-13 2 3 2
=
=
2+2 3 2
+13 2
+1.3 2
∵t是与
+1最接近的整数,3 2
∴t=2.
=3-2 t
=3-2 2
=(
-1)22
-1.2
设t是与
|
=
+1
-13 2 3 2
+(
-1)(3 2
2+3 2
+1)3 2
-13 2 3 2
=
=
2+2 3 2
+13 2
+1.3 2
∵t是与
+1最接近的整数,3 2
∴t=2.
=3-2 t
=3-2 2
=(
-1)22
-1.2