− ( 10 − − 3 − 9 − 3 ) ( − 5 + 10 w − 4 t ) {\displaystyle -(10-{\frac {-3}{-9-3}})({\frac {-5+10w}{-4t}})} − ( 10 − − 3 − 12 ) − 5 + 10 w − 4 t {\displaystyle -(10-{\frac {-3}{-12}}){\frac {-5+10w}{-4t}}} − ( 10 − 3 12 ) − 5 + 10 w − 4 t {\displaystyle -(10-{\frac {3}{12}}){\frac {-5+10w}{-4t}}} − ( 10 − 1 4 ) − 5 + 10 w − 4 t {\displaystyle -(10-{\frac {1}{4}}){\frac {-5+10w}{-4t}}} − 39 4 − 5 + 10 w − 4 t {\displaystyle -{\frac {39}{4}}{\frac {-5+10w}{-4t}}} − 39 4 − 10 w + 5 4 t {\displaystyle -{\frac {39}{4}}{\frac {-10w+5}{4t}}} − 39 ( − 10 w + 5 ) 16 t {\displaystyle -{\frac {39(-10w+5)}{16t}}} − 195 ( − 2 w + 1 ) 16 t {\displaystyle -{\frac {195(-2w+1)}{16t}}} 195 ( 2 w − 1 ) 16 t {\displaystyle {\frac {195(2w-1)}{16t}}}
