А:84=25(11)
а=84•25+11
2111=а
6 килограмма_____________
1) НОК(3, 4) = 12. НОК(3, 7) = 21, НОК(3, 8) = 24, НОК(4, 7) = 28,
НОК(4, 9)=36, НОК(6, 7)=42, НОК(7, 8) = 56, НОК(7, 9) = 63, НОК(8, 9) = 72
2) НОД(3, 6) = 3, НОК(3, 6) = 6; НОД(3, 9) = 3, НОК(3, 9) = 9.
НОД(4, 8) = 4, НОК(4, 8) = 8.
3) НОД(3, 6) = 3, НОК(3, 6) = 6; НОД(3, 9) = 3, НОК(3, 9) = 9.
<span>НОД(4, 6) = 2, НОК(4, 6) = 12; НОД(4, 8) = 4, НОК(4, 8) = 8; </span>
<span>НОД(6, 8) = 2, НОК(6, 8) = 24; НОД(6, 9) = 3, НОК(6, 9) = 18;</span>
39∙58 – 9720:27+33 = 2262 -360+33=1935<span><span>
</span></span>2³ + 3²=8+9=17