问题
解答题
计算 (1)-24+3×(-1)6-(-2)3; (2)-1
(3)[(1-
(4)-9÷3+(
(5)|
|
答案
(1)原式=-16+3+8
=-5;
(2)原式=-1
-1 2
×15 4
+83-14 5
=-1.5-3+83-1
=78.5;
(3)原式=[(
)2-2 3
×5 3
]×(-8 9
)33 2
=-
+3 2
×5 3
×8 9 27 8
=-
+53 2
=
;7 2
(4)原式=-3+6-8+9
=4;
(5)原式=
-1 11
+1 12
-1 12
-1 13
+1 14
-1 14 1 15
=
-1 11 1 15
=
.4 165