Question

Cate numere naturale de trei cifre exista, astfel incat suma dintre prima si ultima cifra sa fie 10?

Answer 1

Răspuns:

-901,911;921;931;941;951;961;971;981;991

-802,812,822,832,842,852,862,872,882,892

-703,713,723,733,743,753,763,773,783,793

-604,614,624,634,644,654,664,674,684,694

-505,515,525,535,545,565,575,585,595

-406,416,426,436,446,456,466,476,486,496

-307,317,327,337,347,357,367,377,387,397

-208,218,228,238,248,258,268,278,288,298

-109,119,129,139,149,159,169,179,189,199

=>9+1=10

8+2=10

7+3=10

6+4=10

5+5=10

4+6=10

3+7=10

2+8=10

1+9=10

Sunt 10 numere pe 9 randuri

10×9=90 de numere

Spor la teme pwp