Răspuns :
x+y=11 | ×2
2x+2y=22
5z=5×8=40
22+40=62
2) 21, 28,35,42,49,56,63,70,77,84,91,98
Sper ca ti-am fost de ajutor ;)
2x+2y=22
5z=5×8=40
22+40=62
2) 21, 28,35,42,49,56,63,70,77,84,91,98
Sper ca ti-am fost de ajutor ;)
1) 2x+2y +5z =2(x+y) + 5 *8 = 2*11 + 40= 22+40= 62
2)M₇={21,28, 35, 42, 49, 56, 63, 70, 77, 84, 91, 98}
2)M₇={21,28, 35, 42, 49, 56, 63, 70, 77, 84, 91, 98}