Question

efetue os cálculos e simplifique quando possivela- 69/70 • 52/18b- 81/52 • 26/117c- 9/28 • 49/15d- 9/35 • 30/9e- 84/165 • 7/12 • 99/189 f- 69/70 • 52/18

Answer 1

OI,

a) 69/70 × 52/18 = 3588/160 = 1794/730 = (897/365)

b) 81/52 × 26/117 = 2106/6084 = 1503/3042 = 501/1014 = (167/338)

c) 9/28 × 49/15 = 441/420 = 147/140 = (21/20)

d) 9/35 × 30 × 9 = 270/315 = (54/65)

e) 89/165 × 7/12 = (623/1980)

f) 69/70 × 52/18 = 3588/1260 = 1794/630 = 897/315 = (299/105)

espero ter ajudada(o) e bons estudos