Question

[Thai Nguyen]

Doi cac so thap phan ra thanh phan so toi gian

A, 1,3(12)

B, 3,3(21)

C,5,2(24)

D,3,32(6)

Answer 1

[Trịnh Văn Đại]

a)1,3(12)=\(\dfrac{1}{10}.\left(13+12.\dfrac{1}{99}\right)\)=\(\dfrac{443}{330}\)

b)\(3,3\left(21\right)=\dfrac{1}{10}\left(33+21.\dfrac{1}{99}\right)=\dfrac{548}{165}\)

c)\(5,2\left(24\right)=\dfrac{1}{10}\left(52+24.\dfrac{1}{99}\right)=\dfrac{862}{165}\)

d)\(3,32\left(6\right)=\dfrac{1}{100}\left(332+6.\dfrac{1}{9}\right)=\dfrac{499}{150}\)

Answer 2

[FAIRY TAIL]

A, 1,3(12) = \(\dfrac{433}{330}\)

B, 3,3(21) = \(\dfrac{548}{165}\)

C,5,2(24) = \(\dfrac{862}{165}\)

D,3,32(6) = \(\dfrac{499}{150}\)