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Calculati: 4intreg 4/5×1intreg7/8; 3intreg 1/5×1intreg 3/4; 10intreg 1/2×5; 7intreg×3intreg1/4


Răspuns :

Răspuns:

24/5•15/8=9/1=9

16/5•7/4=28/5

21/2•5/1=105/2

7/1•13/4=91/4