Question

[Sách Giáo Khoa]

Đổi thành độ, phút :

\(15,25^0=15\dfrac{1}{4}^0=15^015'=915'\)

\(30,5^0=......=......=......\)

\(60,75^0=......=......=......\)

\(90,2^0=......=......=......\)

\(45,15^0=......=......=......\)

Answer 1

[Quìn]

\(30,5^o=30\dfrac{1}{2}^o=30^o30^'=1830^'\)

\(60,75^o=60\dfrac{3}{4}^o=60^o45^'=3645^'\)

\(90,2^o=90\dfrac{1}{5}^o=90^o12^'=5412^'\)

\(45,15^o=45\dfrac{3}{20}^o=45^o9^'=2709^'\)

Answer 2

[Quìn]

\(30,5^o=30\dfrac{1}{2}^o=30^o30'=1830'\)

\(60,75^o=60\dfrac{3}{4}^o=60^o45'=3645'\)

\(90,2^o=90\dfrac{1}{5}^o=90^o12'=5412'\)

\(45,15^o=45\dfrac{3}{20}^o=45^o9'=2709'\)