Question

Calculați suma numerelor naturale care imparțite la 8 dau catul 13 .
Dau Coronita.

Answer 1

a=nr.
•a:8=13
a=8x13
a=104
•a:8=13,r=1
a=8x13+1
a=104+1
a=105
•a:8=13,r=2
a=104+2(104 ptc 8x13=104 ;) )
a=106
•a:8=13,r=3
a=104+3
a=107
•a:8=13,r=4
a=104+4
a=108
•a:8=13,r=5
a=104+5
a=109
•a:8=13,r=6
a=104+6
a=110
•a:8=13,r=7
a=104+7
a=111
•104+105+106+107+108+109+110+111=860

Sper ca te-am ajutat!!