Question

14 dau coroană repede Va rog

Answer 1

a:8=c1 rest 1 => a=8×c1+1 / -1 => a-1=8×c1
a:9=c2 rest 1 => a=9×c2+1 / -1 => a-1=9×c2
a:12=c3 rest 1 => a=12×c3+1 / -1 => a-1=12×c3
8|a-1
9|a-1
12|a-1
=> a-1= c m m m c
8=2^3
9=3^2
12=2^2×3
c m m m c=2^3×3^2=72
a-1=72
a=73