问题
解答题
(1)-8+4÷(-2) (2)-52÷|-
(3)(-
(4)(-2)3-(3-5)-
|
答案
(1)原式=-8-2
=-10;
(2)原式=-25×
×(-4)3 20
=15;
(3)原式=-
×(-60)-1 2
×(-60)+1 3
×(-60)3 4
=30+20-45
=5;
(4)原式=-8+2-2+6
=-2.
(1)-8+4÷(-2) (2)-52÷|-
(3)(-
(4)(-2)3-(3-5)-
|
(1)原式=-8-2
=-10;
(2)原式=-25×
×(-4)3 20
=15;
(3)原式=-
×(-60)-1 2
×(-60)+1 3
×(-60)3 4
=30+20-45
=5;
(4)原式=-8+2-2+6
=-2.