Question

DAU COROANA VA ROG REPEDE ​

Answer 1

Răspuns:

Explicație pas cu pas:

1).

a). 2/3:4/9=2/3*9/4=3/2

b).1/8:3/4=1/8*4/3=1/6

c). 3/5:2/5=3/5*5/2=3/2

d).7/4:2/5=3/5*5/2=3/2

e). 12/5:3=12/5*1/3=4/5

f). 77/27:33/12=77/27*12/33=28/27

g). 72/10:18/25=72/10:18/25=72/10*25/18=10

h). 9/12:29/18=9/12:45/18=9/12*18/45=3/10

2).

a). 3/4:4/3:9/14=3/7:2/1:3/7=3/7*1/2:3/7=3/14*7/3=1/2

b). 2/5:3/7:4/3=2/5:1/7:4/1=2/5*7/1:4/1=14/5*1/4=7/10

c). 5:(3/10:9/2)=5:(3/10*2/9)=5:1/15=1/3

d). (2/3:6):(1/5:3/10)=(2/1:2/1):(1/5*10/3)=(2/1*1/2):(1/1*2/3)=2/2:2/3=2/2*3/2=3/2

e). 4:(1/2:1/8):(2/5:4/5)=4:(1/2*8/1):(2/5*5/4)=4:8/2:1/2=4/1*2/8:1/2=1:1/2=2