Question

Aflati nr de forma
7x cu bara de asupra
31x cu bara de asupra
5x1 cu bara de asupra
Rapid va rog ,dau coronita

Answer 1

7x cu bara deasupra
x={0,1,2,3,4,5,6,7,8,9}
7x= 70; 71; 72; 73; 74; 75; 76; 77; 78; 79.
31x cu bara deasupra
x={0,1,2,3,4,56,7,8,9}
31x= 310; 311; 312; 313; 314; 315: 316; 317; 318; 319.
5x1 cu bara deasupra
x={0,1,2,3,4,5,6,7,8,9}
5x1= 501; 511; 521; 531; 541; 551; 561; 571; 581; 591.

SUCCES!!!

Answer 2

1) 7x barat
x€{0,1,2,3,...,9}=> 7x barat={70,71,72,...,79}

2) 31x barat
x€{0,1,2,...,9}=> 31x barat={310,312,...,319}

3)5x1 barat
x€{0,1,2,...,9}=> 5x1 barat={501,511,...,591}