a. 3 : 11 = \(\dfrac{3}{11}\)

b. -4 : 7 = \(\dfrac{-4}{7}\)

c 5 : ( -13)  = \(\dfrac{5}{-13}=\dfrac{-5}{13}\)

d x : 3 \(\left(x\in z\right)\)

= \(\dfrac{x}{3}\)

\(a,3:11=\dfrac{3}{11}=\dfrac{-3}{-11}\\ b,-4:7=\dfrac{-4}{7}=\dfrac{4}{-7}\\ c,5:\left(-13\right)=\dfrac{5}{-13}=\dfrac{-5}{13}\\ d,x:3=\dfrac{x}{3}=\dfrac{-x}{-3}\)

\(a,3:11=\frac{3}{11}\)

\(b,-4:7=\frac{-4}{7}\)

\(c,5:\left(-13\right)=\frac{5}{-13}=\frac{-5}{13}\)

\(d,x:3=\frac{x}{3}\)

a) \(\frac{3}{11}\)

b) \(\frac{-4}{7}\)

c) \(\frac{5}{-13}\)

d)    \(\frac{x}{3}\)

a) 3 : 11 = \(\frac{3}{11}\)

b) -4 : 7 = \(\frac{-4}{7}\)

c) 5 : (-13) = \(\frac{-5}{13}\)

d) x : 3 = \(\frac{x}{3}\)

a ) 9 13 b ) 11 − 5 c ) − 4 11 . d ) − 2 − 13 .

a)  9 13

b)  11 - 5

c)  - 4 11

d)  - 2 - 13

a  3 : 11 = 3/11   b  -4 : 7 = -4/7    c   x : 3 = x/3

\(\frac{3}{11}\)

\(\frac{-4}{7}\)

\(\frac{x}{3}\)

\(a.\\ 5:\left(-13\right)=\dfrac{-5}{13}\)

\(b.\\ x:3=\dfrac{x}{3}\)

\(c.\\ 6=\dfrac{6}{1}\)

\(d.\\ 1.25=\dfrac{5}{4}\)

a.\(\dfrac{3}{11}\)

b.\(\dfrac{-4}{7}\)

c.\(\dfrac{-5}{13}\)

d.\(\dfrac{x}{3}\)

a ) 2 3 . b ) 3 − 4 . c ) − 3 8 . d ) − 1 − 3 .

a ) 7 10 . b ) 1 − 5 . c ) − 2 5 . d ) − 2 − 3 .