Răspuns:
7 ananasi
Explicație pas cu pas:
ananasi /---/
} 63
rodii /---/---/---/---/---/---/---/---/
8 + 1 = 9 segmente egale
63 : 9 = 7 ananasi sau marimea unui segment egal
7 x 7 = 56 rodii
a + r = 63
r = 8 x a
a + 8a = 63
9a = 63
a = 63 : 9
a = 7 ananasi
r = 8 x 7 = 56 rodii