问题
解答题
计算: (1)(
(2)(4
(3)(2
(4)(
(5)(2
(6)(3
|
答案
(1)原式=(2
+33
)×22 6
=2
×23
+36
×22 6
=12
+122
;3
(2)原式=4
÷215
-35
÷25 5
=2
-3
;3 2
(3)原式=(2
)2-45
+65
-65
=20-4
+65
-65
=14+2
;5
(4)原式=6+2
×6
+33
=9+6
;2
(5)原式=24-2×2
×36
+182
=42-24
;3
(6)原式=(3
)2-(23
)22
=27-8
=19.