Răspuns :
657=6×100+5×10+7
6200=6×1000+2×100+0×10+0
8352=8×1000+3×100+5×10+2
3624=3×1000+6×100+2×10+4
657 = 6• 100 + 5• 10 + 1• 7
6200 = 6• 1000 + 2 • 100
8352 = 8 • 1000 + 3• 100 + 5• 10 + 2
3624 = 3•1000 + 6•100+2•20+4.
6200 = 6• 1000 + 2 • 100
8352 = 8 • 1000 + 3• 100 + 5• 10 + 2
3624 = 3•1000 + 6•100+2•20+4.