Question

cuánto es me pueden ayuda​

Answer 1

a)

(40/50)(10/8)

(4/5)(5/4)

1

b)

(12/15)(-5/6)(-8/3)

(4/5)(-5/6)(-8/3)

(-2/3)(-8/3)

16/9

c)

(-2/3 + 5/6)(20/9)

(1/6)(20/9)

10/27

d)

[1/5 -(-4/3)](-10/4)

[1/5 + 4/3](-10/4)

(23/15)(-10/4)

-23/6