6.) Calculaţi:
a) 32 : 16+ {76 - 2 - [(20 +4.5): 5] - 2.6};
b) (3 +6+9+ 12 + 15 + 18):(1+2+3+4+5+6);
c) 3+ 10. {3+ 10 · [3+ 10. (3 + 10.3) - 3] - 3} - 3.
maanantând ordinea efectuării operatiilor:



VA ROG
VA DAU COROANA​

Răspuns :

Răspuns:

Am scris si explicatie in caz ca ai nevoie.

Sper ca te ajuta

Vezi imaginea NineYuuRe
a) 32:16+{76-2-[(20+4•5):5]-2•6}=
2+{76-2-[(20+20):5]-12}
2+[76-2-(40:5)-12]
2+(76-2-8-12)
2+54
56

b) (3+6+9+12+15+18):(1+2+3+4+5+6)=
68:21
3

c) 3+10•{3+10•[3+10•(3+10•3)-3]-3}-3=
3+10•{3+10•[3+10•(3+30)-3]-3}-3
3+10•[3+10•(3+10•33-3)-3]-3
3+10•[3+10•(3+330-3)-3]-3
3+10•[3+10•(333-3)-3]-3
3+10•(3+10•330-3)-3
3+10•(3+3300-3)-3
3+10•(3303-3)-3
3+10•3300-3
3+33000-3
33003-3
33000