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3+10x[362-10x(24+24:4)]-3x7+42:2


Răspuns :

3+10x[362-10x(24+24:4)]-3x7+42:2=581
3+10x[362-10x(24+6)]-3x7+42:2=581
3+10x(362-10x30)-3x7+42:2=581
3+10x(362-300)-3x7+42:2=581
3+10x62-3x7+42:2=581
3+620-21+21=581
623-42=581