Răspuns :
Răspuns:
13*x+13*y+13*z+13*a=13·(x+y+z+a)=13·(46+10)=13·56=728
x+y+z=46
a=10
13×x+13×y+13×z+13×a=?
13x+13y+13z+130
13×(x+y+z)+130
13×46+130
728
Răspuns:
13*x+13*y+13*z+13*a=13·(x+y+z+a)=13·(46+10)=13·56=728
x+y+z=46
a=10
13×x+13×y+13×z+13×a=?
13x+13y+13z+130
13×(x+y+z)+130
13×46+130
728