URGENT PLZZZZZZ DAU COROANA

Răspuns:
a)44:2=22 b) 77:7=11 66:6=11 c) 88:4=22 99:3=33
a) 44:2=(40+4):2 b) 77:7=(70+7):7
=40:2+4:2 =70:7+7:7
=20+2 =10+1
=22 =11
66:6=(60+6):6
=60:6+6:6
=10+1
=11
c) 88:4=(80+8):4 99:3=(90+9):3
=80:4+8:4 =90:3+9:3
=20+2 =30+3
=22 =33
Sper că te-am ajutat!