问题
解答题
计算题: (1)(-7)×(-5)-90÷(-15); (2)-14-
|
答案
(1)(-7)×(-5)-90÷(-15)
=35-(-6)
=41.
(2)-14-
×[2-(-3)2]1 6
=-1-
×[2-9]=-1-(-1 6
)=7 6
.1 6
计算题: (1)(-7)×(-5)-90÷(-15); (2)-14-
|
(1)(-7)×(-5)-90÷(-15)
=35-(-6)
=41.
(2)-14-
×[2-(-3)2]1 6
=-1-
×[2-9]=-1-(-1 6
)=7 6
.1 6