
计算:(1)(+13)-(+56)+(-16)-(-23)(2)(-112)-114+(-212)-(-334)-(-114
计算:(1)(+13)-(+56)+(-16)-(-23)(2)(-112)-114+(-212)-(-334)-(-114)...
计算:(1)(+13)-(+56)+(-16)-(-23)(2)(-112)-114+(-212)-(-334)-(-114)
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(1)(+
)-(+
)+(-
)-(-
)=
-
-
+
=0;
(2)(-1
)-1
+(-2
)-(-3
)-(-1
)=-
-
-
+
+
=-
+
=-
;
1 |
3 |
5 |
6 |
1 |
6 |
2 |
3 |
2 |
6 |
5 |
6 |
1 |
6 |
4 |
6 |
(2)(-1
1 |
2 |
1 |
4 |
1 |
2 |
3 |
4 |
1 |
4 |
3 |
2 |
5 |
4 |
5 |
2 |
15 |
4 |
5 |
4 |
8 |
2 |
15 |
4 |
1 |
2 |
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