Question

Ayuda porfavor
1.-. ( 4/3 ) ( - 2/4 ) =
2.- ( - 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:

$( \frac{4}{3} )( \frac{ - 2}{4} ) = \frac{4 \times - 2}{3 \times 4} = \frac{ - 2}{3}$

$( \frac{ - 5}{2} )( \frac{2}{7} ) = \frac{ - 5 \times 2}{2 \times 7} = \frac{ - 5}{7}$

$( \frac{ - 8}{4} )( \frac{2}{7} ) = \frac{ - 8 \times 2}{4 \times 7} = \frac{ - 4}{7}$

$( - 4)(20) = - 4 \times 20 = - 80$

$( - 6)( - 2)( - 3) = - 36$

$( - 40)(20) = - 800$

$( - 25)( - 4) = + 100 = 100$

$( \frac{1}{3})( \frac{ - 2}{4} ) = \frac{ - 1}{6}$

$( - 7)( - 5) = + 35 = 35$

$( - 2)( - 40) = + 80 = 80$

$(13)( - 6) = - 78$

$( - 16)( - 4) = + 64 = 64$

$(9)( - 3)( - 2) = 9 \times 6 = 54$

$( \frac{1}{9} )( \frac{ - 2}{4} )( \frac{ - 1}{2} ) = ( \frac{1}{9} )( \frac{1}{4} ) = \frac{1}{36}$

$(25)( - 2)(4) = 25 \times (- 8) = - 200$