问题
解答题
计算: (1)-24×(
(2)(-2)2+(-1-3)÷(-
|
答案
(1)原式=-12-16+20
=-8;
(2)原式=4+(-4)×(-
)+3 2
×(-16)1 16
=4+6-1
=9.
计算: (1)-24×(
(2)(-2)2+(-1-3)÷(-
|
(1)原式=-12-16+20
=-8;
(2)原式=4+(-4)×(-
)+3 2
×(-16)1 16
=4+6-1
=9.