Determinati numerele naturale de forma 1x2x3 bara sus divizibile cu ; a)2;b)5;c)10 determinati numerele naturale de forma x1x bara sus divizibile cu; a)2;b)5 c)10 rog rezolva corect nu doar raspuns multumesc
stefaniablidea
1) acest nr. nu poate fi divizibil nici cu 2, nici cu 5, nici cu 10 fiindca se termina in 3(vezi criteriile de divizibilitate cu 2,5,10) 2) a)110, 112,114,116,118,210,212,214,216,218,310,312,314,316,318,410,412,414,416,418,510,512,514...........910,912,914,916,918; b)110,115,210,215,310,315,410,415,510,515,610,615,710,715,810,815,910,915 c)110,210,310,410,510,610,710,810,910
acest nr. nu poate fi divizibil nici cu 2, nici cu 5, nici cu 10 fiindca se termina in 3(vezi criteriile de divizibilitate cu 2,5,10)
2)
a)110, 112,114,116,118,210,212,214,216,218,310,312,314,316,318,410,412,414,416,418,510,512,514...........910,912,914,916,918;
b)110,115,210,215,310,315,410,415,510,515,610,615,710,715,810,815,910,915
c)110,210,310,410,510,610,710,810,910