considere o sistema de equaçoes
x-2/3+y/=1/2
x-y-1/2=2
qual e a razao y/x?
POR FAVOR RAPIDO
Soluções para a tarefa
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x-2/3+y=1/2
x-y=1/2+2/3
x-y=3/6+4/6
x-y=7/6
x-y-1/2=2
x-y=2+1/2
x-y=4/2+1/2
x-y=5/2
x-y=7/6 x=7/6+y
x-y=5/2
7/6+y-y=5/2
y=5/2-7/6
y=15/6-7/6
y=8/6
x=7/6+8/6
x=15/6
Razão:
8/6/15/6 ou 1,33/2,5
x-y=1/2+2/3
x-y=3/6+4/6
x-y=7/6
x-y-1/2=2
x-y=2+1/2
x-y=4/2+1/2
x-y=5/2
x-y=7/6 x=7/6+y
x-y=5/2
7/6+y-y=5/2
y=5/2-7/6
y=15/6-7/6
y=8/6
x=7/6+8/6
x=15/6
Razão:
8/6/15/6 ou 1,33/2,5
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