72)Para calcular 3/7.2/9.5/4,
podemos realizar simplificações,o que,em alguns casos, facilita os cálculos.observe.
Anexos:
Soluções para a tarefa
Respondido por
108
a) 18/24 . 32/21
=3/4 . 6/6 . 4/3 . 8/7 = 8/7
b) 90/36 . 60/99
=3/3 . 30/12 . 3/3 . 20/33
=3/4 . 10/3 . 4/3 . 5/11
= 10/3 . 5/11 = 50/33
c) 2/40 . 35/9 . 60/15
= 2/2 . 1/20 . 5/3 . 7/3 . 3/5 . 20/5
= 1/20 . 7/3 . 4
= 1/5 . 7/3 = 7/15
d) 4 . 7/90 . 50/35
= 4 . 7/10 . 1/9 . 10/7 . 5/5
= 4/9
=3/4 . 6/6 . 4/3 . 8/7 = 8/7
b) 90/36 . 60/99
=3/3 . 30/12 . 3/3 . 20/33
=3/4 . 10/3 . 4/3 . 5/11
= 10/3 . 5/11 = 50/33
c) 2/40 . 35/9 . 60/15
= 2/2 . 1/20 . 5/3 . 7/3 . 3/5 . 20/5
= 1/20 . 7/3 . 4
= 1/5 . 7/3 = 7/15
d) 4 . 7/90 . 50/35
= 4 . 7/10 . 1/9 . 10/7 . 5/5
= 4/9
SörvëtïnhöDöNämjöön:
Obgds
Respondido por
5
olá...
A) 8/7
B) 20/33
C) 7/15
D) 4/9
Espero ter ajudado.
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