Răspuns :
4.9=36, 4.3+4.2+4.4=12+8+16=36 5.1=5 5.9-5.3-5.5=45-15-25=30-25=5 Punctul inseamna ori(adica inmultit).
4*(3+2+4)=4*(5+4)=4*9=36
4*(3+2+4)=(4*3)+(4*2)+(4*4)=12+8+16=20+16+36
5*(9-3-5)=5*(6-5)=5*1=5
5*(9-3-5)=(5*9)-(5*3)-(5*5)=45-15-25=30-25=5
4*(3+2+4)=(4*3)+(4*2)+(4*4)=12+8+16=20+16+36
5*(9-3-5)=5*(6-5)=5*1=5
5*(9-3-5)=(5*9)-(5*3)-(5*5)=45-15-25=30-25=5