问题
解答题
计算: (1)(
(2)(π-1)0+|5-
|
答案
(1)原式=(
-26
+62
)÷22 2
=(
+46
)÷22 2
=
÷26
+42
÷22 2
=
+2;3 2
(2)原式=1+3
-5-43 3
=-
-4.3
计算: (1)(
(2)(π-1)0+|5-
|
(1)原式=(
-26
+62
)÷22 2
=(
+46
)÷22 2
=
÷26
+42
÷22 2
=
+2;3 2
(2)原式=1+3
-5-43 3
=-
-4.3