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0-1解：bavv+=jiijivvvvv42)10()412(+=−++mbavv−=jiijivvvvv422)10()412(+=−−+m0-2解：(1)bavv⋅=1207248)68()126(−=−−=−−⋅+jijivvvv(2)bavv×=kkkkjivvvvvv6096360680126=+−=−−0-3解：(1)5434322=+=+=+ijbavvvvm(2)bavv⋅=ijvv43⋅=0(3)bavv×=kijvvv1243−=×0-4解：(1)dtrdv=ktjeittvvv5cos106)23(22+++−=kjivvv1062++(2)dtrdv=22222)5cos10()6()23(tett+++−=352140100364==++(3)dtrdrvv⋅=)1062(3kjijvvvv++⋅−=18−(4)dtrdrvv×=)1062(3kjijvvvv++×−=ikvv306−