试题与答案

(1)-4.27+3.8-0.73+1.2(2)(-16+34-112)×(-4

题型:解答题

题目:

(1)-4.27+3.8-0.73+1.2
(2)(-
1
6
+
3
4
-
1
12
)×(-48)
(3)-
3
4
×[-32×(-
2
3
)2
-2]
(4)
2
3
×(-
2
1
4
-
3-3
3
8

答案:

(1)原式=(-4.27-0.73)+(3.8+1.2)

=-5+5

=0;

(2)原式=(-

1
6
)×(-48)+
3
4
×(-48)-
1
12
×(-48)

=8-36+4

=24;

(3)原式=-

3
4
×[-9×
4
9
-2]

=-

3
4
×[-4-2]

=-

3
4
×(-6)

=

9
2

(4)原式=

2
3
×(-
3
2
+
3
2

=0.

试题推荐
微信公众账号搜索答案