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Va rog,25:{[30+(-6)•(-5)]:60+2}+15:[(-3)•(-1)] vă rog

Răspuns :

25:{[30+(-6)•(-5)]:60+2}+15:[(-3)•(-1)] =
25:[(30+30):60+2]+15:3=
25:(60:60+2)+5=
25:(1+2)+5=
25:3+5=
8.33 (aprox. )+5=
13.33 (aprox.)