题目内容
(1)|-3|+|-10|-|-1|
(2)(+5)-(-3)+(-8);
(3)(+
)-(+
)-(-
).
(4)-3-4+19-11.
(2)(+5)-(-3)+(-8);
(3)(+
| 1 |
| 6 |
| 1 |
| 3 |
| 1 |
| 12 |
(4)-3-4+19-11.
(1)原式=3+10-1
=12;
(2)原式=5+3-8
=9;
(3)原式=
-
+
=
-
+
=
=-
;
(4)原式=-7+19-11
=12-11
=1.
=12;
(2)原式=5+3-8
=9;
(3)原式=
| 1 |
| 6 |
| 1 |
| 3 |
| 1 |
| 12 |
=
| 2 |
| 12 |
| 4 |
| 12 |
| 1 |
| 12 |
| -1 |
| 12 |
=-
| 1 |
| 12 |
(4)原式=-7+19-11
=12-11
=1.
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