来自陈祝荣的问题
化简:−2−4−1−3−−7−8−3−5−2−−7−2−6−8=()A.-213B.213C.-1813D.1813
化简:−2−4−1−3−−7−8−3−5−2−−7−2−6−8=()
A.-213
B.213
C.-1813
D.1813
1回答
2020-11-08 23:36
化简:−2−4−1−3−−7−8−3−5−2−−7−2−6−8=()A.-213B.213C.-1813D.1813
化简:−2−4−1−3−−7−8−3−5−2−−7−2−6−8=()
A.-213
B.213
C.-1813
D.1813
原式=−6−4−−15−8−2−−7−16