Wyrażenia artmetyczne Rozwiąż : (4 2/3 + 3,5 ) * (1,5 + 4 1/14) = Prosze o szybką pomoc ;))
(14/3 + 7/2) * (3/2 + 57/14)= (28/6 + 21/6) * (21/14 + 57/14)= 49/6+78/14=
= 343/42 + 234/42= 577/42=13 31/577
(4 2/3 + 3,5)*(1,5 + 4 1/14)=
= (14/3 + 35/10)*(15/10 + 57/14)=
=(140/30 + 105/30)*(120/70 + 285/70)=
=145/30 * 305/70
=29/6 * 61/14=
= 1769/84 = 21,06
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(14/3 + 7/2) * (3/2 + 57/14)= (28/6 + 21/6) * (21/14 + 57/14)= 49/6+78/14=
= 343/42 + 234/42= 577/42=13 31/577
(4 2/3 + 3,5)*(1,5 + 4 1/14)=
= (14/3 + 35/10)*(15/10 + 57/14)=
=(140/30 + 105/30)*(120/70 + 285/70)=
=145/30 * 305/70
=29/6 * 61/14=
= 1769/84 = 21,06