问题 解答题
计算题:
(1)-6+4-2;
(2)-81÷
9
4
×
4
9
÷(-16)

(3)(-36)×(-
4
9
+
5
6
-
7
12
)

(4)-14-
1
6
×[2-(-3)2]
答案

(1)原式=-2-2=-4;

(2)原式=81×

4
9
×
4
9
×
1
16
=1;

(3)原式=36×

4
9
-36×
5
6
+36×
7
12
=16-30+21=7;

(4)原式=-1-

1
6
(2-9)=-1-
1
6
×(-7)=-1+
7
6
=
1
6

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