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va rog ex 4 dau coroana!!!

Va Rog Ex 4 Dau Coroana class=

Răspuns :

Răspuns


Explicație pas cu pas:

4.a.   4si1/6÷5/4=25/6÷5/4=25/6x4/5=10/3

b.    8/9÷5si1/3=8/9÷16/3=8/9÷3/16=1/6

c.    2si1/6÷4si1/3=13/6÷13/3=13/6x3/13=1/2

d.    5si1/7÷3si3/14=36/7÷45/14=36/7÷14/45=8/5

a) 4 1/6÷5/4=
= 2×1/3×4/5
= 8/15

b) 8/9×1/5×1/3
= 8/135

c) 1/3×1/4×1/3
=1/36

d) 5×1/3×1/14
=5/42

Succes !