Question

Ayuda doy corona responder bien porfa​

Answer 1

Explicación paso a paso:

2.

a)

30/42 = 5/7

b)

44/21

c)

30/4 = 15/2

d)

4/18 = 2/9

3.

a)

(6/7) . (21/8)

126/56 = 9/4

b)

(42/5) : (15/4)

168/75 = 56/25

c)

(7/12) + (8/12) . (2/5)

(7/12) + 4/15

153/180 = 17/20

d)

(8/12) + 7/15

204/160 = 51/40

e)

(5/6) + (28/27) - 1/2

(45 + 56 + 27)/54

128/54 = 64/27

f)

(5/6) + (7/9) . (5/6)

(5/6) + 35/54

480/324 = 40/27