问题
解答题
计算题: (1)-
(2)-14+[1
|
答案
(1)-
×(-6)+2 3
÷(-7 4
)7 8
=4+(-2)
=2;
(2)-14+[1
-(1 24
+3 8
-1 6
)×24]÷53 4
=-1+[1
-1 24
×24-3 8
×24+1 6
×24]÷53 4
=-1+[1
-9-4+18]÷51 24
=-1+
×145 24 1 5
=-1+29 24
=
.5 24