Question

a partir da matriz A=(aij)​

Answer 1

A=|a11 a12| B=|b11 b21|

|a21 a22| |b21 b22|

3.1+2.1=5 1+1=2

3.2+2.1=8 2+1=3

3.1+2.2=7 1+2=3

3.2+2.2=10 2+2=4

A=|5 7| B=|2 3|

|8 10| |3 4|

5+2=7

8+3=11. A+B=|7 10|

7+3=10. |11 14|

10+4=14

:-)