Question

Impartind un numar la 9,obtinem catul 31
si restul mai mic decat 7.Afla numarul.

Answer 1

285 numarul  impartitorul 9  citul 31  rest 6

Answer 2

x:9=31 rest y ...,unde y<7...=> y={1;2;3;4;5 sau 6}

x=9*31+6
x=279+6
x=285............=> ....285:9=31 rest 6.....unde 6<7

x=9*31+5
x=279+5
x=284............=>284:9=31 rest 5....unde 5<7

x=9*31+4
x=279+4
x=283............=> 283:9=31 rest 4....unde 4<7

x=9*31+3
x=279+3
x=282............=> 283:9=31 rest 3....unde 3<7

x=9*31+2
x=279+2
x=281.............=> 281:9=31 rest 2...unde 2<7

x=9*31+1
x=279+1
x=280............=>280:9=31 rest 1.....unde 1<7

=> x={280;281;282;283;284 sau 285}