问题
解答题
计算题: (1)-6+4-2; (2)-81÷
(3)(-36)×(-
(4)-14-
|
答案
(1)原式=-2-2=-4;
(2)原式=81×
×4 9
×4 9
=1;1 16
(3)原式=36×
-36×4 9
+36×5 6
=16-30+21=7;7 12
(4)原式=-1-
(2-9)=-1-1 6
×(-7)=-1+1 6
=7 6
.1 6
计算题: (1)-6+4-2; (2)-81÷
(3)(-36)×(-
(4)-14-
|
(1)原式=-2-2=-4;
(2)原式=81×
×4 9
×4 9
=1;1 16
(3)原式=36×
-36×4 9
+36×5 6
=16-30+21=7;7 12
(4)原式=-1-
(2-9)=-1-1 6
×(-7)=-1+1 6
=7 6
.1 6