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Alisaadriana78
a fost răspuns

b=1,25:(4/5)la puterea -2 +1,(6) +0,1(6)
b=?
URGENT!!!

Răspuns :

Maverickarcher

1,25=125/100=5/4
1,(6)=(16-1)/90=15/9=5/3
0,1(6)=(16-1)/90=15/90=1/6
__________
(5/4):(5/4)^2 +(5/3)+(1/6)=
(5/4)^-1 +(5/3)+(1/6)=
(4/5)+(5/3)+(1/6)=
(24+50+5)/30=79/30
=> b=79/30

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