Question

455: {8+3×[(3×13-4×12:6+2×11+2):5]-34}
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Answer 1

Răspuns:

455: {8+3×[(3×13-4×12:6+2×11+2):5]-34}

=455:{8+3×[(39-48:6+22+2):5]-34}

=455:{8+3×[(39-8+24):5]-34}

=455:{8+3×[(31+24):5]-34}

=455:[8+3×(55:5)-34]

=455:(8+3×11-34)

=455:(8+33-34)

=455:(41-34)

=455:7

=65

Answer 2

1. 455: {8+3×[(3×13-4×12:6+2×11+2):5]-34}
3. =455:{8+3×[(39-48:6+22+2):5]-34}
5. =455:{8+3×[(39-8+24):5]-34}
7. =455:{8+3×[(31+24):5]-34}
9. =455:[8+3×(55:5)-34]
11. =455:(8+3×11-34)
13. =455:(8+33-34)
15. =455:(41-34)
17. =455:7
19. =65