Răspuns:
Suma numerelor este 360
Explicație pas cu pas:
resturile sunt 1,2,3,4,5,6,7,8
x:9=1 rest 1
x=1×9+1
×=9+1
x=10
x:9=2 rest 2
x=9×2+2
x=18+2
x=20
x:9=3 rest 3
x=3×9+3
x=27+3
x=30
x:9=4 rest 4
x=4×9+4
x=36+4
x=40
x:9=5 rest 5
x=5×9+5
x=45+5
x=50
x:9=6 rest 6
x=6×9+6
x=54+6
x=60
x:9=7 rest 7
x=7×9+7
x=63+7
x=70
x:9=8 rest 8
x=8×9+8
x=72+8
x=80
suma =>10+20+30+40+50+60+70+80=360
