anaflormarafiga 07/11/2019 50÷100=0,5040×0,5=2015×0,5=7,525×0,5=12,54×20=809×7,5=67,55×12,5=60,5 ¹ 80,0 67,5 + 60,5 208,0208×5=1040208×4=832208×3=624208×2=416R: D) 2 fatias
anaflormarafiga
50÷100=0,50
40×0,5=20
15×0,5=7,5
25×0,5=12,5
4×20=80
9×7,5=67,5
5×12,5=60,5
¹
80,0
67,5
+ 60,5
208,0
208×5=1040
208×4=832
208×3=624
208×2=416
R: D) 2 fatias