问题 解答题
(1)(+16)-(-25)-(+24)+(-32)
(2)(
1
6
-
1
8
+
1
12
)÷(-
1
24
)

(3)(-
4
7
)÷(-
3
14
)÷(-
2
3
)

(4)(-5)×6×(-10)×(-8)
(5)-33-(-3)3
(6)-|-5|+(-3)3÷(-22
(7)-42+(-4)2-(-1)2÷1
3
5
×
2
5
答案

(1)原式=16+25-24-32=41-56=-15;

(2)原式=(

1
6
-
1
8
+
1
12
)×(-24)=(-24)×
1
6
-(-24)×
1
8
+(-24)×
1
12
=-4+3-2=-3;

(3)原式=-

4
7
×
14
3
×
3
2
=-4;

(4)原式=-5×6×10×8=-2400;

(5)原式=-27-(-27)=-27+27=0;

(6)原式=-5+(-27)÷(-4)=-5+

27
4
=
7
4

(7)原式=-16+16-1×

5
8
×
2
5
=-16+16-
1
4
=-
1
4

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