Question

Ile jest liczb trzycyfrowych podzielnych przez 10?

Answer 1

100,110,120,130,140,150,160,170,180,190,200,210,220,230,240,250,260,270,

280,290,300,310,320,330,340,350,360,370,380,390,400,410,420,430,440,450,

460,470,480,490,500,510,520,530,540,550,560,570,580,590,600,610,620,630,

640,650,660,670,680,690,700,710,720,730,740,750,760,770,780,790,800,810,

820,830,840,850,860,870,880,890,900,910,920,930,940,950,960,970,980,990

czyli 90 takich liczb