👤

determinati cel mai mic numar natural cu suma cifrelor 157

Răspuns :

157:9=17  (rest 4)  
[tex]\rightarrow\;avem\,numarul\;N\;\,in\,care\,17\,buc.\,de\;9+1\,cifra\,de\;4\;\\ adica:\;N=\;\underbrace{999...999}_{9\;de\\ 17-ori}4\;\\ \Rightarrow\;\;Suma\;cifrelor\;este\;17\cdot9+4=153+4=157[/tex]