Calculeaza catul b:a daca:
a=27:3:3x8:6                                 b=72:9x3:4x6


Răspuns :

a=4 b=36 ->b:a=9  acesta este rasp
a=4     a=27:3:3x8:6=9:3x8:6=3x8:6=24:6=4
b=36     b=72:9x3:4x6=8x3:4x6=24:4x6=6x6=36
catul =b:a=36:4=9