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Calculati: a) 1/3 × 5/9=? b) 4/15 × 5/20=? c) 8× 1/11 d) 2/5×3/8×7/12=? e) (1/9 × 15/4)× 16/25=? f) 0×2/3×5/11=?
Va rog sa imi spuneti raspunsul daca stiti!!

Răspuns :

Ahmed1985
a))
(1/3)x(5/9)= 5/27
b))
= 4/15 x 5/20
= 20/300
= 1/15
C))
8/11
D))
= (6/40 )x(7/12)
= 42/480
= 7/80
E))
= 15/36 x 16/25
= 3/9 x 4/5
= 1/3 x 4/5
= 4/15
F))
= 0
( orice număr ori 0 egal 0 ! )

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