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Ajutor !! 3+6x[30+6x{3+5x6}-281-3= si nu trebuie sai punem rezultatul direct.30+4x[36:9+3x{20+8x42:2}]=. 9x{101x1+111:1}-[85-7x{36:9+63:9}]=. 2+2x[2+3x{202:2-306:3}]=

Răspuns :

3+6x[30+6x(3+5x6)-28]-3=
3+6x[30+6x(3+30)-28]-3=
3+6x[30+6x33]-28]-3=
3+6x[30+198-28]-3=
3+6x[228-28]-3=
3+6x200-3=
3+1200-3=
1203-3=1200

30+4x[36:9+3x(20+8x42:2)]=
30+4x[4+3x(20+336:2)]=
30+4x[4+3x(20+168)]=
30+4x[4+3x188]=
30+4x[4+564]=
30+4x568=
30+2272=2302

9x(101x1+111:1)-[85-7x(36:9+63:9)]=
9x(101+111)-[85-7x(4+7)]=
9x212-[85-7x11]=
1908-[85-77]=
1908-8=1900

2+2x[2+3x(202:2-303:3)]=
2+2x[2+3x(101-101)]=
2+2x[2+3x0]=
2+2x[2+0]=
2+2x2=
2+4=6

la ultimul am pus 303 pt ca altfel dădea. cu minus