1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51 eching

$$1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

Baholash

$$1326$$

Yechim qadamlari

3 olish uchun 1 va 2'ni qo'shing.

$$3+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

6 olish uchun 3 va 3'ni qo'shing.

$$6+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

10 olish uchun 6 va 4'ni qo'shing.

$$10+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

15 olish uchun 10 va 5'ni qo'shing.

$$15+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

21 olish uchun 15 va 6'ni qo'shing.

$$21+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

28 olish uchun 21 va 7'ni qo'shing.

$$28+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

36 olish uchun 28 va 8'ni qo'shing.

$$36+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

45 olish uchun 36 va 9'ni qo'shing.

$$45+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

55 olish uchun 45 va 10'ni qo'shing.

$$55+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

66 olish uchun 55 va 11'ni qo'shing.

$$66+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

78 olish uchun 66 va 12'ni qo'shing.

$$78+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

91 olish uchun 78 va 13'ni qo'shing.

$$91+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

105 olish uchun 91 va 14'ni qo'shing.

$$105+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

120 olish uchun 105 va 15'ni qo'shing.

$$120+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

136 olish uchun 120 va 16'ni qo'shing.

$$136+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

153 olish uchun 136 va 17'ni qo'shing.

$$153+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

171 olish uchun 153 va 18'ni qo'shing.

$$171+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

190 olish uchun 171 va 19'ni qo'shing.

$$190+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

210 olish uchun 190 va 20'ni qo'shing.

$$210+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

231 olish uchun 210 va 21'ni qo'shing.

$$231+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

253 olish uchun 231 va 22'ni qo'shing.

$$253+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

276 olish uchun 253 va 23'ni qo'shing.

$$276+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

300 olish uchun 276 va 24'ni qo'shing.

$$300+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

325 olish uchun 300 va 25'ni qo'shing.

$$325+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

351 olish uchun 325 va 26'ni qo'shing.

$$351+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

378 olish uchun 351 va 27'ni qo'shing.

$$378+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

406 olish uchun 378 va 28'ni qo'shing.

$$406+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

435 olish uchun 406 va 29'ni qo'shing.

$$435+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

465 olish uchun 435 va 30'ni qo'shing.

$$465+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

496 olish uchun 465 va 31'ni qo'shing.

$$496+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

528 olish uchun 496 va 32'ni qo'shing.

$$528+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

561 olish uchun 528 va 33'ni qo'shing.

$$561+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

595 olish uchun 561 va 34'ni qo'shing.

$$595+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

630 olish uchun 595 va 35'ni qo'shing.

$$630+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

666 olish uchun 630 va 36'ni qo'shing.

$$666+37+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

703 olish uchun 666 va 37'ni qo'shing.

$$703+38+39+40+41+42+43+44+45+46+47+48+49+50+51$$

741 olish uchun 703 va 38'ni qo'shing.

$$741+39+40+41+42+43+44+45+46+47+48+49+50+51$$

780 olish uchun 741 va 39'ni qo'shing.

$$780+40+41+42+43+44+45+46+47+48+49+50+51$$

820 olish uchun 780 va 40'ni qo'shing.

$$820+41+42+43+44+45+46+47+48+49+50+51$$

861 olish uchun 820 va 41'ni qo'shing.

$$861+42+43+44+45+46+47+48+49+50+51$$

903 olish uchun 861 va 42'ni qo'shing.

$$903+43+44+45+46+47+48+49+50+51$$

946 olish uchun 903 va 43'ni qo'shing.

$$946+44+45+46+47+48+49+50+51$$

990 olish uchun 946 va 44'ni qo'shing.

$$990+45+46+47+48+49+50+51$$

1035 olish uchun 990 va 45'ni qo'shing.

$$1035+46+47+48+49+50+51$$

1081 olish uchun 1035 va 46'ni qo'shing.

$$1081+47+48+49+50+51$$

1128 olish uchun 1081 va 47'ni qo'shing.

$$1128+48+49+50+51$$

1176 olish uchun 1128 va 48'ni qo'shing.

$$1176+49+50+51$$

1225 olish uchun 1176 va 49'ni qo'shing.

$$1225+50+51$$

1275 olish uchun 1225 va 50'ni qo'shing.

$$1275+51$$

1326 olish uchun 1275 va 51'ni qo'shing.

$$1326$$

Omil

$$2\times 3\times 13\times 17$$