Question

dau coroana va rog rpd clasa a 8a​

Answer 1

Răspuns:

Explicație pas cu pas:

-5≤2x-3<7

-5+3≤2x<7+3

-2≤2x<10 l :2

-1 ≤x<5

M= { 0 ,1,2,3,4 }

-

-5≤x<3

N= { -5 ,-4,-3,-2,-1 ,0 ,1,2 }

-

M∪N= { 0,1,2,3,4 ,-1,-2,-3,-4,-5 }

M/N={ 3,4 }

N/M={-5,-4,-3,-2 ,-1 }