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Mate dau si coroana ex 6)d

Mate Dau Si Coroana Ex 6d class=

Răspuns :

rezolvarea este in poza. sper sa intelegi scrisul meu
Vezi imaginea SLAVITESCUDORA
(1/2 + 1/3 + 1/6 - 1/5 : 1/5)-2/5 x 2/4 + 3 x (1/2-2/3)
(1/2+1/3+1/6-1/1)-4/20+3 (3/6-4/6)
(3/6+2/6+1/6-6/6)-4/20+3 x -1/6
-4/20+(-3/6)
-4/20+(-1/2)
-4/20+(-10/20)
-14/20
-7/10=-0.7