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Ma puteti ajuta cu ultimele ex 4,5 si 6 ??

Ma Puteti Ajuta Cu Ultimele Ex 45 Si 6 class=

Răspuns :

7/13*390=7*30=210

462/89x⇒x=0,2,4,6,8⇒5 fractii

57/31-16/31=(x-21)/31⇒41/31=(x-21)/31⇒41=x-21⇒x=62
Vf:41/31=(62-21)/31⇒41/31=41/31