... 117, 5%. T s phn trm ny cho bit: Coi k hoch l 100% thỡ ó thc hin c 117, 5% k hoch. 117, 5% - 100% = 17, 5%. T s ny cho bit: Coi k hoch l 100% thỡ ó vt 17, 5% k hoch. Bi 3: Dnh cho HSKG - c , lm bi ... 100% = 17, 5% - GV gii thớch cho HS hiu : ỏp s: a) t 90%; b) Thc hin 117, 5%; vt 17, 5% a) 18 : 20 = 0,9 = 90%. T s ny cho bit: Coi k hoch l 100% thỡ t c 90% k hoch. b) 23,5 : 20 = 1 ,175 = 117, 5%. ... Theo k hoch c nm, n ht thỏng 9 thụn Ho An ó thc hin c l: 18 : 20 = 0,9 0,9 = 90% b) n ht nm, thụn Ho An ó thc hin c k hoch l: 23,5 : 20 = 1 ,175 1 ,175 = 117, 5% Thụn Ho An ó vt mc k hoch l: 117, 5%...