问题 解答题
(1)-22-|-3|
(2)
1
5
×(-5)÷(-
1
5
)×5

(3)12-(-18)+(-7)-15
(4)(-10)+8×(-2)2-(-4)×(-3)
(5)(-
5
6
+
2
3
-
3
4
)÷
1
12

(6)(-2)3-22-(-1)2004÷[(
1
3
-
1
2
)]×6-|5|
答案

(1)-22-|-3|

=-4-3

=-7;

(2)

1
5
×(-5)÷(-
1
5
)×5

=1×5×5

=5×5

=25;

(3)12-(-18)+(-7)-15

=12+18-7-15

=30-22

=8;

(4)(-10)+8×(-2)2-(-4)×(-3)

=-10+8×4-12

=-10+32-12

=10;

(5)(-

5
6
+
2
3
-
3
4
)÷
1
12

=(-

5
6
+
2
3
-
3
4
)×12

=-

5
6
×12+
2
3
×12-
3
4
×12

=-10+8-9

=-11;

(6)(-2)3-22-(-1)2004÷[(

1
3
-
1
2
)]×6-|5|

=-8-4-1÷

1
6
×6-5

=-8-4-36-5

=-53.

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