Question

-3(2×+1)+(-5×+6)-8(1-2×)-(×-3)=0 ayudaaaa plis​

Answer 1

Respuesta:

3/7 + 2/7 = 5/7

b)5/8 - 3/8 = 8/8

c)3/8 + 1/4 = 3/8 + 1*2/4*2 = 3/8 + 2/8 = 5/8

d)1/2 - 1/3 = 1*3/2*3 - 1*2/3*2 = 3/6 - 2/6 = 1/6

e)1/2 + ¼ + 2/5 = 1*10/2*10 + 1*5/4*5 + 2*4/5*4 = 10/20 + 5/20 + 8/20 = 23/20

f) 1 5/6 - 3 2/3 = 1 5/6 -3 2*2/3*2 = 1 5/6 -3 4/6 = -1 5/6

g) 2 ¼ - 3 2/3 + 2= 2 1*3/4*3 -3 2*4/3*4 + 2 = 2 3/12 -3 12/12 + 2 = 3/12

h)3/5 x ¼ = 3*1/5*4 = 3/20

i) 5/6 : ½ = 5*2/6*1 = 10/6

j)3/7 x 5/6 : 1/3 = ( 3*5/7*6 ) : 1/3 = 15/42 : 1/3 = 15*3/42*1 = 45/42

Explicación paso a paso: