Question

gúp mik

1) tính.  (1đỉm)

a) 6/17 + 13/17 b) 5 x 8/20

Answer 1

giúp mik đang vội :)

Answer 2

a. 19/17      b) 2

Answer 3

\(a)\dfrac{6}{17}+\dfrac{3}{17}\)

\(=\dfrac{6+13}{17}\)

\(=\dfrac{19}{17}\)

\(b)5\times\dfrac{8}{20}\)

\(=5\times\dfrac{2}{5}\)

\(=\dfrac{10}{5}\)

\(=2\)

_HT_

Answer 4

a) \(\dfrac{19}{17}\)            b) \(\dfrac{5}{1}\) x \(\dfrac{8}{20}\) = \(\dfrac{100}{20}\) x \(\dfrac{8}{20}\) = \(\dfrac{800}{400}\)  =  2

Answer 5

a]19/17

b]2

Answer 6

a)617+317a)617+317

=6+1317=6+1317

=1917=1917

b)5×820b)5×820

=5×25=5×25

=105=105

$=2$

_HT_

Answer 7

bi loi do dung quan tam