3 2b 5 )=- 7 2b 15 July 8, 2019 16 32 64 128 5 3/7-(b-2 1/7)=2 4/7 2) 2 15 ( 3/4 * b + 2/3 * (21b + 0 5(3/5 - 4b)) −2 5 + (−3 7) + (− −7 5 )
