Question

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1,25 : 15/20 + 25% - 5/6 

Answer 1

#)Giải :

      1,25 : 15/20 + 25% - 5/6

=    5/4 : 3/4 + 1/4 - 5/6

=    5/3 + 1/4 - 5/6

=    23/12 - 5/6

=    13/12

       #~Will~be~Pens~#

Answer 2

1,25 : \(\frac{15}{20}\)+ 25% - \(\frac{5}{6}\)

= \(\frac{5}{4}\): \(\frac{3}{4}\)+\(\frac{1}{4}\)- \(\frac{5}{6}\)

= \(\frac{5}{4}\)x\(\frac{4}{3}\)+\(\frac{1}{4}\)-\(\frac{5}{6}\)

= \(\frac{5}{3}\)+\(\frac{1}{4}\)-\(\frac{5}{6}\)

= \(\frac{20+3}{12}\)-\(\frac{5}{6}\)

= \(\frac{23}{12}\)-\(\frac{5}{6}\)

= \(\frac{23-10}{12}\)

= \(\frac{13}{12}\)

Answer 3

      \(1,25:\frac{15}{20}+25\%-\frac{5}{6}\)

\(=\frac{5}{4}:\frac{3}{4}+\frac{1}{4}-\frac{5}{6}\)

\(=\frac{5}{3}+\frac{1}{4}+\frac{5}{6}\)

\(=\frac{20+3+10}{12}\)

\(=\frac{33}{12}=\frac{11}{4}\)

Answer 4

=4/3 / 3/4 + 3/12 - 5/6

=16/9 + -7/12

=43/36

Answer 5

1,25 : 15/20 + 25% - 5/6

= 5/4 : 3/4 + 1/4 - 5/6

= 5/3 + 1/4 - 5/6

= 23/12 - 5/6

= 13/12

Answer 6

1,25 : 15/20 + 25% - 5/6

= 5/4 . 4/3 + 1/4 - 5/6

= 5/3 + 1/4 - 5/6

= 23/12 - 5/6

= 13/12

Answer 7

1,25 : 15/20 + 25% - 5/6

= 5/4 : 3/4 + 1/4 - 5/6

= 20/12 + 3/12 - 10/12

= 23/12 - 10/12

= 13/12