问题
解答题
计算: (1)-
(2)-24+
|
答案
(1)-
×[(-2)3×(-3 4
)2-1 4
]1 2
=-
×[(-8)×3 4
-1 16
]1 2
=-
×[-3 4
-1 2
]1 2
=-
×[-1]3 4
=
;3 4
(2)-24+
×[6+(-4)2]1 2
=-16+
×[6+16]1 2
=-16+
×221 2
=-16+11
=-5.
计算: (1)-
(2)-24+
|
(1)-
×[(-2)3×(-3 4
)2-1 4
]1 2
=-
×[(-8)×3 4
-1 16
]1 2
=-
×[-3 4
-1 2
]1 2
=-
×[-1]3 4
=
;3 4
(2)-24+
×[6+(-4)2]1 2
=-16+
×[6+16]1 2
=-16+
×221 2
=-16+11
=-5.