Question

Ajutor ofer 28 de puncte ex 1 a b c d e facut si ex doi trebuie a b c d

Answer 1

3*2+3*8=3*(2+8)=3*10=30
7*103-7*3=7*(103-3)=7*100=700
136*17+136*83=136*(17+83)=136*100=13600
42*705+58*705=705*(42+58)=705*100=70500

3a+3b+3c=3*(a+b+c)
2x+2y-2z=2*(x+y-z)
8+4a+16b)=4*(2+a+4b)
5x-5y+5z=5*(x-y+z)