572 tian miao
Problem a G i v e n F i n d O t h e r
•61 c − a , a + b + c a , b , c
62 c − a , c + b − a a , b , c Problem 13
•63a c − a , a + c − b a , b , c c − a > a + c − b ,
( c − a ) − ( a + c − b )> a + c − b
•63b c − a , a + c − b a , b , c c − a > a + c − b ,
( c − a ) − ( a + c − b ) < a + c − b
•63c c − a , a + c − b a , b , c c − a < a + c − b , ( a + c − b ) − ( c − a ) > c − a
•63d c − a , a + c − b a , b , c c − a < a + c − b , ( a + c − b ) − ( c − a ) < c − a
64 c − a , a − c + b a , b , c Problem 13
65 c + b , a + b + c a , b , c Problem 8
66 c + b , b + c − a a , b , c Problem 8
•67 c + b , a + c − b a , b , c
•68 c + b , a − c + b a , b , c
•69 c − b , a + b + c a , b , c
•70 c − b , b + c − a a , b , c
71 c v− b , a + c − b a , b , c Problem 9
72 c − b , a − c + b a , b , c Problem 9
73 a + b + c , b + c − a a , b , c Problem 8
74 a + b + c , a + c − b a , b , c Problem 12
75 a + b + c , a − c + b a , b , c Problem 16
76 b + c − a , a + c − b a , b , c Problem 17
77 b + c − a , a − c + b a , b , c Problem 13
78 a + c − b , a − c + b a , b , c Problem 9
N o t e s :
a Th e sign ‘•’ indicates problems that were also discussed by Xu Guangqi in the
Meaning of Gougu.
b Th is means ‘Solve this problem using the method of problem 1’. Similarly hereaft er.Bibliography
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