(1)−32+(−2)3−1÷|1−(−
1
2)2|
=-9-8-1÷|1-[1/4]|
=-9-8-1÷[3/4]
=-9-8-1[1/3]
=-18[1/3];
(2)(−
1
8+1
1
3−2.75)×24+(−1)2011
=-[1/8]×24+[4/3]×24-2.75×24-1
=-3+32-66-1
=-38.
(1)−32+(−2)3−1÷|1−(−
1
2)2|
=-9-8-1÷|1-[1/4]|
=-9-8-1÷[3/4]
=-9-8-1[1/3]
=-18[1/3];
(2)(−
1
8+1
1
3−2.75)×24+(−1)2011
=-[1/8]×24+[4/3]×24-2.75×24-1
=-3+32-66-1
=-38.