1 $! simple.constants.1/3
\r
6 $! simple.constants.1/1
\r
10 $! simple.constants.1/1'
\r
14 $! simple.constants.1/2
\r
19 $! simple.constants.1/4
\r
20 D y (x C a) (x b C) (y C c)
\r
21 C y (x C a) (x @ C) (y C c)
\r
22 C y (x @ @) (x b C) (y C c)
\r
23 C y (x C a) (x b C) (y C @)
\r