Issolvi 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

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

Evalwa

$$1326$$

Passi tas-Soluzzjonijiet

Żid 1 u 2 biex tikseb 3.

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

Żid 3 u 3 biex tikseb 6.

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

Żid 6 u 4 biex tikseb 10.

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

Żid 10 u 5 biex tikseb 15.

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

Żid 15 u 6 biex tikseb 21.

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

Żid 21 u 7 biex tikseb 28.

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

Żid 28 u 8 biex tikseb 36.

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

Żid 36 u 9 biex tikseb 45.

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

Żid 45 u 10 biex tikseb 55.

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

Żid 55 u 11 biex tikseb 66.

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

Żid 66 u 12 biex tikseb 78.

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

Żid 78 u 13 biex tikseb 91.

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

Żid 91 u 14 biex tikseb 105.

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

Żid 105 u 15 biex tikseb 120.

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

Żid 120 u 16 biex tikseb 136.

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

Żid 136 u 17 biex tikseb 153.

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

Żid 153 u 18 biex tikseb 171.

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

Żid 171 u 19 biex tikseb 190.

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

Żid 190 u 20 biex tikseb 210.

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

Żid 210 u 21 biex tikseb 231.

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

Żid 231 u 22 biex tikseb 253.

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

Żid 253 u 23 biex tikseb 276.

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

Żid 276 u 24 biex tikseb 300.

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

Żid 300 u 25 biex tikseb 325.

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

Żid 325 u 26 biex tikseb 351.

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

Żid 351 u 27 biex tikseb 378.

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

Żid 378 u 28 biex tikseb 406.

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

Żid 406 u 29 biex tikseb 435.

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

Żid 435 u 30 biex tikseb 465.

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

Żid 465 u 31 biex tikseb 496.

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

Żid 496 u 32 biex tikseb 528.

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

Żid 528 u 33 biex tikseb 561.

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

Żid 561 u 34 biex tikseb 595.

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

Żid 595 u 35 biex tikseb 630.

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

Żid 630 u 36 biex tikseb 666.

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

Żid 666 u 37 biex tikseb 703.

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

Żid 703 u 38 biex tikseb 741.

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

Żid 741 u 39 biex tikseb 780.

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

Żid 780 u 40 biex tikseb 820.

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

Żid 820 u 41 biex tikseb 861.

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

Żid 861 u 42 biex tikseb 903.

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

Żid 903 u 43 biex tikseb 946.

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

Żid 946 u 44 biex tikseb 990.

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

Żid 990 u 45 biex tikseb 1035.

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

Żid 1035 u 46 biex tikseb 1081.

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

Żid 1081 u 47 biex tikseb 1128.

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

Żid 1128 u 48 biex tikseb 1176.

$$1176+49+50+51$$

Żid 1176 u 49 biex tikseb 1225.

$$1225+50+51$$

Żid 1225 u 50 biex tikseb 1275.

$$1275+51$$

Żid 1275 u 51 biex tikseb 1326.

$$1326$$

Fattur

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