问题
解答题
(1)-12012-[5×(-2)-(-4)2÷(-8)] (2)(-72)×(
|
答案
(1)原式=-1-[(-10)-16÷(-8)]
=-1-[(-10)+2]
=-1-(-8)
=7;
(2)原式=(-72)×
-(-72)×(3 4
)+(-72)×7 6
-(-72)×11 12 13 24
=(-54)+84-66+39
=3.
(1)-12012-[5×(-2)-(-4)2÷(-8)] (2)(-72)×(
|
(1)原式=-1-[(-10)-16÷(-8)]
=-1-[(-10)+2]
=-1-(-8)
=7;
(2)原式=(-72)×
-(-72)×(3 4
)+(-72)×7 6
-(-72)×11 12 13 24
=(-54)+84-66+39
=3.