Question

3/4 : 3 + 2/5 

M.n ghi rõ cách làm hộ mk vs ak

Answer 1

\(\dfrac{4}{3}\times3+\dfrac{2}{5}=4+\dfrac{2}{5}=\dfrac{22}{5}\)

Answer 2

3/4.3+2/5

=1/4+2/5

=5/20+8/20

=13/20

Answer 3

1/4+2/5=13/20

Answer 4

3/4 : 3 + 2/5 

= 3/4 x 1/3 + 2/5 

=  1/4 + 2/5 

= 5/20 + 8/20

=         13/20

Answer 5

\(\dfrac{3}{4}.\dfrac{1}{3}+\dfrac{2}{5}=\dfrac{1}{4}+\dfrac{2}{5}=\dfrac{5}{20}+\dfrac{8}{20}=\dfrac{13}{20}\)

Answer 6

3/4.3+2/5

= 1/4+2/5

= 5/20+8/20

= 13/20

Answer 7

  3/4 : 3 + 2/5

= 3/4 x 1/3 + 2/5

=     1/4 + 2/5

=     5/20 + 8/20

=          13/20

Answer 8

¾ : ³+ ⅖

=¼+⅖

=¹³/²⁰

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