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Ajutor va rog rpd!!
1. 120+3:{2:3:40+2[3:2-2:(3:6-3-6)+10]-40} :10

2. 13:{24+4:[24-3:(8:4-31)]-150}+402

3. 43+18{5+3[21+2:[21+2:[529-8:48]-9} - 41


Răspuns :

Mirucica

Decat pe 1 si pe 2 le fac.

1.  120+30:{2:3:40+2[3:2-2:(3:6-3-6)+10]-40}:10= 120+30:[2:3:40+2(3:2

-2:-7+10)-40]:10

=120+30:(2:3:40+2*8-40):10=120+30:(1,5:40+16-40):10=120+30:(26,6-24):10

=120+30:2,6:10=120+11,53:10=120+1,15=121,15

2. 13:{24+4:[24-3:(8:4-31)]-150}+402= 13:[24+4:(24-3:(-29)-150]+402=

=13:[24+4(24+9,6)-150]+402= 13(24+4:33,6-150)+402=13:(24+8,4-150)+402

=13:(-117,6)+402=9,04+402=393

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