问题 解答题
你来算一算!千万别出错!
(1)-
1
3
+
4
3
-
5
6
+
1
2

(2)-
33
5
×(
1
2
-
1
3
15
11
×(-
24
9
)

(3)(-2)3×0.5-(-1.6)2÷(-2)2
(4)-14÷(-5)2×(-
5
3
)+|0.8-1|.
答案

(1)原式=1-

5
6
+
1
2
=
1
6
+
1
2
=
2
3

(2)原式=-

33
5
×
1
6
×
15
11
×(-
8
3
)=4;

(3)原式=-8×

1
2
-
64
25
×
1
4
=4-
16
25
=
116
25
=-8×
1
2
-
64
25
×
1
4
=-4-
16
25
=-4
16
25

(4)原式=-1×

1
25
×(-
5
3
)+
1
5
=
1
15
+
3
15
=
4
15

判断题
判断题