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a fost răspuns

a) 3/16 : ( 27/16 : 9/2 + 1/2 - 3/4) ; b) (2-3/4) : 5/2 x (49/12 : 7/4 - 5/3)

Răspuns :

Cotaedragos
a)3/16:(27/16*2/9-1/4)
3/16:(3/8-1/4)
3/16(1/8)
3/16*8/1=3/2
b)(5/4)*2/5*(7/3-5/3)
1/2*2/3=1/3

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