Question

vă rog imi trebuie urgent foarte urgent !! mulțumesc!​

Answer 1

5.

a. x= 1x4/2

x=2

b. x= 3x5/2 =15/2 sau 7.5

c. x=4x3/2=6

d. x=12x3/4=9

e. x= 2x12/13=24/14

f. x= 4x6/13=24/13

g. x=3x7/21=1

h. x=3x1000/25=120

i. x=93x3/46=279/46

j. x=25x7/100=175/100

k. x=304x75/25=912

l. x=69x4/23=12

6. a. x=8x3/4=4

b. x=9x4/3=12

c. x=30x4/3=40

d. x=40x3/4=30

e. x=12x4/3=16

f. 7x=15x4/3

7x=20

x=20/7

g. 5x=20x3/4

5x=15

x=3