klasa 7pomocy najutro a chce jeszcze pospac.... Question from @dikunia2009

dikunia2009 @dikunia2009

March 2022 2 7 Report

klasa 7
pomocy
najutro a chce jeszcze pospac

FajnyMisiu2001

Cześć!

Od a) do d)

$\frac{2}{3}+\frac{1}{4}=\frac{8}{12}+\frac{3}{12}=\frac{11}{12}\\\\\frac{5}{9}+\frac{3}{5}=\frac{25}{45}+\frac{27}{45}=\frac{52}{45}=1\frac{7}{45}\\\\\frac{2}{3}+\frac{4}{5}=\frac{10}{15}+\frac{12}{15}=\frac{22}{15}=1\frac{7}{15}\\\\\frac{5}{8}+\frac{3}{7}=\frac{35}{56}+\frac{24}{56}=\frac{59}{56}=1\frac{3}{56}$

Od e) do h)

$1\frac{1}{2}+2\frac{3}{8}=1\frac{4}{8}+2\frac{3}{8}=3\frac{7}{8}\\\\\frac{2}{9}+1\frac{7}{27}=\frac{6}{27}+1\frac{7}{27}=1\frac{13}{27}\\\\1\frac{5}{6}+3\frac{1}{9}=1\frac{15}{18}+3\frac{2}{18}=4\frac{17}{18}\\\\2\frac{1}{10}+1\frac{7}{15}=2\frac{3}{30}+1\frac{14}{30}=3\frac{17}{30}$

2 votes Thanks 1

klaunnik

Odpowiedź:

a) 8/12 + 3/12 = 11/12

b) 24/45 + 27/45= 54/45 = 1 7/45

c) 10/15 + 12/15= 22/15 = 1 7/15

d) 35/56 + 24/56 = 59/56 = 1 36/56

e) 1 4/8 + 2 3/8 = 3 7/8

f) 6/27 + 1 7/27 = 1 13/27

g) 1 15/16 + 3 2/18 = 4 17/18

h) 2 3/30 + 1 14/30 = 3 17/30

Powinno być dobrze bo robiłam na lekcji

1 votes Thanks 1

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