Question

( 4/3 ) ( - 2/4 ) =

( - 5/2 ) ( 2/7) =

3.-. ( - 8/4 ) ( - 2/5 ) =

4.- ( - 4 ) ( 20 ) =

5.-. ( - 6 ) ( - 2 ) ( - 3 ) =

6.-. ( - 40 ) ( 20 ) =

7.-. ( - 25 ) ( - 4 ) =

8.- ( 1/3 ) ( - 2/4 ) =

9.- ( - 7 ) ( - 5 ) =

10.; ( - 2 ) ( - 40 ) =

11.- ( 13 ) ( - 6 ) =

12.-. ( - 16 ) ( - 4 ) =

13.-. ( 9 ) ( - 3 ) ( - 2 ) =

14.-. ( 1/9 ) ( - 2/4) ( - 1/2 ) =

15.-. ( 25 ) ( - 2 ) ( 4 ) =

Answer 1

Respuesta:

( 4/3 ) ( - 2/4 ) =. - 8/12 = - 2/3

( - 5/2 ) ( 2/7) =. - 10/14= -5/7

3.-. ( - 8/4 ) ( - 2/5 ) = 16/20= 4/5

4.- ( - 4 ) ( 20 ) = - 80

5.-. ( - 6 ) ( - 2 ) ( - 3 ) = - 12

6.-. ( - 40 ) ( 20 ) = - 800

7.-. ( - 25 ) ( - 4 ) =100

8.- ( 1/3 ) ( - 2/4 ) = - 1/6

9.- ( - 7 ) ( - 5 ) =35

10.; ( - 2 ) ( - 40 ) =80

11.- ( 13 ) ( - 6 ) = - 78

12.-. ( - 16 ) ( - 4 ) = 64

13.-. ( 9 ) ( - 3 ) ( - 2 ) = 54

14.-. ( 1/9 ) ( - 2/4) ( - 1/2 ) = - 8/9

15.-. ( 25 ) ( - 2 ) ( 4 ) = - 200