计算:(1)(-2)3+3×(-1)2012-|-4|×5;(2)?112+1+112×[?(?13)÷(?14)?223];(3)[?24÷(?223)2
计算:(1)(-2)3+3×(-1)2012-|-4|×5;(2)?112+1+112×[?(?13)÷(?14)?223];(3)[?24÷(?223)2+512×(?...
计算:(1)(-2)3+3×(-1)2012-|-4|×5;(2)?112+1+112×[?(?13)÷(?14)?223];(3)[?24÷(?223)2+512×(?16)?14]÷112.
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(1)(-2)3+3×(-1)2012-|-4|×5
=-8+3×1-4×5
=-8+3-20
=-25;
(2)?1
+1+1
×[?(?
)÷(?
)?2
]
=-1
+1+
×[
×(-4)-
]
=-1
+1+
×[-
-
]
=-1
+1+
×(-4)
=-1
+1-6
=-6
;
(3)[?24÷(?2
)2+5
×(?
)?
]÷
=[-16÷
-
?
]×12
=[-16×
-
?
]×12
=-27-11-3
=-41.
=-8+3×1-4×5
=-8+3-20
=-25;
(2)?1
1 |
2 |
1 |
2 |
1 |
3 |
1 |
4 |
2 |
3 |
=-1
1 |
2 |
3 |
2 |
1 |
3 |
8 |
3 |
=-1
1 |
2 |
3 |
2 |
4 |
3 |
8 |
3 |
=-1
1 |
2 |
3 |
2 |
=-1
1 |
2 |
=-6
1 |
2 |
(3)[?24÷(?2
2 |
3 |
1 |
2 |
1 |
6 |
1 |
4 |
1 |
12 |
=[-16÷
64 |
9 |
11 |
12 |
1 |
4 |
=[-16×
9 |
64 |
11 |
12 |
1 |
4 |
=-27-11-3
=-41.
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