Question

17. Calculati c.m.m.d.c. si c.m.m.m.c. al numerelor:
a) 48 si 144
b) 231 si 693
c) 1890 si 2268

Dau coroana!

Answer 1

Răspuns:

a)48=2⁴•3¹

144=2⁴•3²

(48,144)=3¹•2⁴

=3•16=48

[48,144]=3²•2⁴

=9•16=144

b)231=3•7•11

693=3²•7•11

(231,693)=3•7•11=231

[231,693]=3²•7•11=693

c)1890=2•5•3³•7

2268=3⁴•2²•7

(1890,2268)=2•3³•7=378

[1890,2268]=2²•3⁴•5•7=11.340

sper sa te ajute

pot sa primesc coroana?