Răspuns :
1.
a) 222,444,666,888
b) 111,333,555,777,999
c) 1111,3333,5555,7777,9999
2.
3764=3*1000+7*100+6*10+4
5945=5*1000+9*100+4*10+5
8726=8*1000+7*100+2*10+6
9847=9*1000+8*100+4*10+7
sper ca te-am ajutat^^
a) 222,444,666,888
b) 111,333,555,777,999
c) 1111,3333,5555,7777,9999
2.
3764=3*1000+7*100+6*10+4
5945=5*1000+9*100+4*10+5
8726=8*1000+7*100+2*10+6
9847=9*1000+8*100+4*10+7
sper ca te-am ajutat^^
a)222x1000=222000
444x1000=444000
666x1000=666000
888x1000=888000
b)111x100=11100
333x100=33300
555x100=55500
777x100=77700
999x100=99900
c)1111x100=111100
3333x100=333300
5555x100=555500
7777x100=777700
9999x100=999900
2)3764=3x1000+7x100+6x10+4
5945=5x1000+9x100+4x10+5
8726=8x1000+7x100+2x10+6
9847=9x1000+8x100+4x10+7
444x1000=444000
666x1000=666000
888x1000=888000
b)111x100=11100
333x100=33300
555x100=55500
777x100=77700
999x100=99900
c)1111x100=111100
3333x100=333300
5555x100=555500
7777x100=777700
9999x100=999900
2)3764=3x1000+7x100+6x10+4
5945=5x1000+9x100+4x10+5
8726=8x1000+7x100+2x10+6
9847=9x1000+8x100+4x10+7