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( ) ( )
( ) ( )
( ) ( ) ( )
5 4 3 2
133
2
(a) 3 4 2 5 (b) 3 5 10
(c) 3 5 (d) 2 3 8
(e) 5 (f) 3 2 1
f x x x x g x x x
h x x F x x x
G x H s s s
−
= − + + = + −
= − = + −
= − = −