问题
解答题
计算:(1)3
|
答案
(1)原式=3×3
-32
+23 3
=9
-2
;3
(2)原式=(5
)2+(23
)2+2×55
×23 5
=25×3+4×5+2015
=95+20
.15
计算:(1)3
|
(1)原式=3×3
-32
+23 3
=9
-2
;3
(2)原式=(5
)2+(23
)2+2×55
×23 5
=25×3+4×5+2015
=95+20
.15