问题
解答题
(1)27-18+(-7)-32 (2)-1
(3)(-36)×(-
(4)16÷(-2)3-(-
|
答案
(1)原式=27-18-7-32=27-57=-30;
(2)原式=-
×5 3
×1 4
=-9 10
;3 8
(3)原式=36×
-36×5 4
+36×4 3
=45-48+3=0;1 12
(4)原式=16÷(-8)-
×11 2
=-2-1 2
=-
.5 2