问题 解答题
计算:
(1)-17-(-23)+(-13)-(+23)
(2)(
3
4
-
1
6
-
1
12
)×12

(3)42013×(
1
4
)2012÷(-2)2

(4)-14-(-
1
2
2×|-5-3|÷(-
1
2
3
答案

(1)原式=-17+23-13-23

=23-53

=-30;

(2)原式=9-2-1

=6;

(3)原式=(4×

1
4
2012×4÷4

=1;

(4)原式=-1-

1
4
×8×(-8)

=-1+16

=15.

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