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Calculați
(4/7+5/7)×(10/27+4/27)=
1 1/8-(2/3)³-9/16=


Răspuns :

9/7 x 14/27 = 2/3
9/8 - 8/27 - 9/16 = 3888-1024-1944/3456= 920/3456