Question

afla suma tuturor numerelor care impartite la 9 dau catul cat restul

Answer 1

restul < impartitorul (9)
restul=catul
restul=8,7,6,5,4,3,2,1,0
d=î×c+r
1)9×8+8=80
2)9×7+7=70
3)9×6+6=60
4)9×5+5=50
5)9×4+4=40
6)9×3+3=30
7)9×2+2=20
8)9×1+1=10
9)9×0+0=0
0+10+20+30+40+50+60+70+80=360