Răspuns :
m x m + 648 = 7 x 100 + 2 x 10 + 3 x 3
m x m + 648 = 729
m x m = 729 - 648
m x m = 81
m = 9 ; 9 x 9 = 81
Raspuns: m = 9
mxm+648=7x100+2x10+3x3
mxm+648=700+20+9
mxm=729-648
mxm=81
m=√81
m=9 sau m=-9
m x m + 648 = 7 x 100 + 2 x 10 + 3 x 3
m x m + 648 = 729
m x m = 729 - 648
m x m = 81
m = 9 ; 9 x 9 = 81
Raspuns: m = 9
mxm+648=7x100+2x10+3x3
mxm+648=700+20+9
mxm=729-648
mxm=81
m=√81
m=9 sau m=-9