问题
解答题
计算 (1)-8+4÷(-2) (2)-10÷
(3)(-6)2×(
(4)-[(-0.4)+2
(5)(-1)2-(6-10)÷
(6)16÷(-24)+
|
答案
(1)原式=-8-2=-10,
(2)原式=-10×5×5=-250,
(3)原式=36×
-36×1 2 2 3
=18-24
=-6,
(4)原式=-2+1
=-1,
(5)原式=1-(-4)×4 4
=1+
,4
(6)原式=16÷(-16)+
×(-4)1 8
=(-1)+(-
)1 2
=-
.3 2