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13.Efectuati calculele
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13Efectuati Calculele class=

Răspuns :

Răspuns:

Explicație pas cu pas:

a.5/6;

b.-6/5;

c.4/3;

d.-15/16;

e.87/27;

f.-14/3;

g.1;

h.1/20;

i.0

Owllia

a) 20/9 : 8/3 =

= 20/9 * 3/8

= 5/6

b) -10/7 : 25/21 =

= -10/7 * 21/25

= -6/5

c) -16/27 : ( -4/9 ) =

= -16/27 * ( -9/4 )

= 4/3

d) 125/12 : ( -100/9 ) =

= 125/12 * ( -9/100 )

= -15/16

e) -3 3/15 : ( -1 2/25 ) =

= -48/15 : ( -27/25 )

= -48/15 * ( -25/27 )

= 80/27

f) 24 : ( -36/7 ) =

= 24/1 * ( -7/36 )

= -14/3

g) -57/3 : ( -19 ) =

= -57/3 : ( -19/1 )

= -57/3 * ( -1/19 )

= 1/1

= 1

h) 2 1/10 : 42 =

= 21/10 : 42

= 21/10 : 42/1

= 21/10 * 1/42

= 1/20

i) 0 : 8/3 =

= 0

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