Question

\(\frac{39}{40}:\frac{6}{7}\times\frac{3}{8}=\frac{?}{?}\)

Answer 1

39/40 : 6/7 x 3/8 = 91/80 x 3/8 = 273/640

Answer 2

39/40 : 6/7 * 3/8 = 91/80 * 3/8 = 273/640

Answer 3

\(\frac{39}{40}:\frac{6}{7}x\frac{3}{8}\)

\(=\frac{39}{40}x\frac{7}{6}x\frac{3}{8}\)

\(=\frac{39x7x3}{40x6x8}=\frac{39x7x3}{40x3x2x8}=\frac{273}{640}\)

Vậy...

Answer 4

 =273/640 cho mk

Answer 5

39/40:6/7x3/8=270/640 dung

Answer 6

39/40 : 6/7 x 3/8 = 91/80 x 3/8 = 273/640

Answer 7

\(=\frac{39}{40}x\frac{7}{6}x\frac{3}{8}=\frac{91}{80}x\frac{3}{8}=\frac{273}{640}\)

duyệt đi

Answer 8

= 39/40 : 6/7 = 273/240

= 273/240 * 3/8 = 819/1920

Answer 9

39/40:6/7x3/8

=91/80x3/8

=273/640

Answer 10

39phan40:6phan7. 3phan8=91phan80.3phan8 =273phan640

Answer 11

Ta có :\(\frac{39}{40}:\frac{6}{7}x\frac{3}{8}=\frac{30}{40}x\frac{7}{6}x\frac{3}{8}=\frac{30x7x3}{40x6x8}=\frac{21}{64}\)

Vậy ...

Answer 12

\(\frac{273}{640}\)

Answer 13

\(\frac{39}{40}\):\(\frac{6}{7}\)x\(\frac{3}{8}\)= \(\frac{273}{640}\)

Answer 14

39/40:6/7*3/8=91/80*3/8=273/640