问题
解答题
化简: (1)
(2)|-
(3)(2
(4)(
|
答案
(1)原式=3
-33
+33
×2
=6;2
(2)原式=
+1-23
=1-3
;3
(3)原式=(2
)2-(33
)2=12-18=-6.2
(4)原式=(
)2+(2
)2+23
×2
=5+23
.6
化简: (1)
(2)|-
(3)(2
(4)(
|
(1)原式=3
-33
+33
×2
=6;2
(2)原式=
+1-23
=1-3
;3
(3)原式=(2
)2-(33
)2=12-18=-6.2
(4)原式=(
)2+(2
)2+23
×2
=5+23
.6