P102第29题 (1)y=180°-a-B 13 (2)2=42,=mn√Pn=±9√4=±18 ±18 ±18 ±12.7",m ±15.6 V3
P102第29题 ( ) ( ) ( ) 15.6 3 4 18 12.7 , 2 18 3 2 , 9 4 18 3 4 , 4 1 1 1 3 1 180 , 2 2 = = = = = = = = = = = − − = + = = P m P m m P m P P P P P
P102第34题 O=a+B+y-180 113 2
P102第34题 2 1 1 1 1 13 180 = + + = = + + − P P P P
P102第35题 由p1=-,得c=30 从而p 303 n202b 3,P 2 n215 最或然值的权等于参与求最或然值的各观测值权之和
P102第35题 . 2 13 2, 15 30 3, 10 30 , 2 3 20 30 , 30 = = = = = = = = = = = = = p p n c p n c p n c p c n c p c c b b a a i i 最或然值的权等于参与求最或然值的各观测值权之和， 从而 由 得