Question

Oblicz.
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a.5/24*2 2/5 =

b.8 5/9*3 3/14=

c.10 1/3*5 5/8*8/9=

d.24 1/5*3 2/11*22/49=

e.1 1/7*5 1/4*2=

f.5 1/5*1/2*1 3/22 =

g.2 1/2*2 2/3*2 2/5 =

Answer 1

A.5/24*2 2/5 =5/24*12/5=1/2=0,5

b.8 5/9*3 3/14=77/9*45/14=55/2

c.10 1/3*5 5/8*8/9=27 1/2

d.24 1/5*3 2/11*22/49=121/5*35/11*22/49=77*22/49=242/7=34 4/7

e.1 1/7*5 1/4*2=8/7*21/4*2=6*2=12

f.5 1/5*1/2*1 3/22 =26/5*1/2*1 3/22=13/5*1 3/22=13/5*25/22=65/22=2 21/22

g.2 1/2*2 2/3*2 2/5 =5/2*2 2/3*2 2/5=5/2*8/3*2 2/5=20/3*2 2/5=20/3*12/5=16