Question

Ex 1 punctele a și b !!!!!!!

Answer 1

a) ( 4 × 2 + 5 × ( - 3 ) 4 × 1 + 5 × ( - 2 )

6 × 2 + ( - 1 ) × ( - 3 ) 6 × 1 + ( - 1 ) × ( - 2 ) ) toate n aceiasi paranteza.

( -7 -6

15 8 )

b) ( 1 × 1 + ( - 2 ) × 2 1 × 4 + ( - 2 ) × 1

4 × 1 + 1 × 2 4 × 4 + 1 × 1 )

la fel,toate n aceiasi paranteza.

( - 3 2

6 17 )