12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29 eching

$$12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29$$

Baholash

$$369$$

Yechim qadamlari

25 olish uchun 12 va 13'ni qo'shing.

$$25+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29$$

39 olish uchun 25 va 14'ni qo'shing.

$$39+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29$$

54 olish uchun 39 va 15'ni qo'shing.

$$54+16+17+18+19+20+21+22+23+24+25+26+27+28+29$$

70 olish uchun 54 va 16'ni qo'shing.

$$70+17+18+19+20+21+22+23+24+25+26+27+28+29$$

87 olish uchun 70 va 17'ni qo'shing.

$$87+18+19+20+21+22+23+24+25+26+27+28+29$$

105 olish uchun 87 va 18'ni qo'shing.

$$105+19+20+21+22+23+24+25+26+27+28+29$$

124 olish uchun 105 va 19'ni qo'shing.

$$124+20+21+22+23+24+25+26+27+28+29$$

144 olish uchun 124 va 20'ni qo'shing.

$$144+21+22+23+24+25+26+27+28+29$$

165 olish uchun 144 va 21'ni qo'shing.

$$165+22+23+24+25+26+27+28+29$$

187 olish uchun 165 va 22'ni qo'shing.

$$187+23+24+25+26+27+28+29$$

210 olish uchun 187 va 23'ni qo'shing.

$$210+24+25+26+27+28+29$$

234 olish uchun 210 va 24'ni qo'shing.

$$234+25+26+27+28+29$$

259 olish uchun 234 va 25'ni qo'shing.

$$259+26+27+28+29$$

285 olish uchun 259 va 26'ni qo'shing.

$$285+27+28+29$$

312 olish uchun 285 va 27'ni qo'shing.

$$312+28+29$$

340 olish uchun 312 va 28'ni qo'shing.

$$340+29$$

369 olish uchun 340 va 29'ni qo'shing.

$$369$$

Omil

$$3^{2}\times 41$$