Question

9744:{4900+[2872+16-(450 – 20x15)]659–84:7x3}=


10653:{[(21024:4+221:17)x2+2119]-2004} +4x4:4=


(84:2+5x7–9:3+3):[(36:18+6-11)–19x3]+3=


2004+ 2004x2005–2006x2003=

Answer 1

Răspuns:

9744:{4900+[2872+16•150]:659-12•3}=9744:4900+[2872+2400]:659-36}=9744:(4900+5272:659-36)=9744:(4900+8-36)=9744:4872=2

1)21024:4=5256

2)255:17=15

3)5256+15=5271

4)5271x2=10542

5)10542+2119=12661

6)12661-2004=10657

7)4x4=16

8)16:4=4

9)10657+4=10661

la a treilea nustiu cum.

2004+2005x2004-2006x2003= 2004+4018020-4018018= 4020024-4018018=2006.