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calculează : a) 0,5•4/5 b) 2 1/5•0,75 c)1,25•4•2/5​

Răspuns :

Răspuns:

Salut

a)0,5*4/5=1/2*4/5=2/5.

b)2 1/5*0,75=11/5*0,75=11/5*3/4=33/20.

c)1,25*4*2/5=5/4*4*2/5=1/4*4*4=1*4=4.

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