|__|__|__|...+150...|...+150...|...+150...| primul
|__|...+150...| al doilea
|__| al treilea
|__|__|__|__|...+150...|...+150...|...+150...| al patrulea
6 270 -150 × 7 =
6 270 - 1 050 =
5 220
3+1+1+4=9 (segmente egale)
5 220 : 9 = 580 (valoarea unui segment)
primul=3×580+150×3=1 740+450=2 190
al doilea=1×580+150=580+150=730
al treilea=1×580=580
al patrulea=4×580+150×3=2 320+450=2 770
verificare:
2 190 + 730 + 580 + 2 770 = 6 270