Question

Rozwiąż i sprawdz równania a]10p-5 2/3=1 2/3 b]1/2d=2-3/4

Answer 1

a)

10p-5i2/3=1i2/3

10p=1i2/3+5i2/3

10p=7i1/3

10p=22/3   /:10

p=22/3*1/10

p=22/30

p=11/15

spr.

10*11/15-17/3=5/3

110/15-85/15=5/3

25/15=5/3

5/3=5/3

1i2/3=1i2/3

L=P

b)

1/2d=2-3/4

1/2d=1i1/4

2/4d=5/4   /*4/2

d=5/4*4/2

d=20/8

spr.

1/2*20/8=2-3/4

20/16=5/4

5/4=5/4

1i1/4=1i1/4

L=P

 

Answer 2

a) 10p - 5 2/3 = 1 2/3

10 p=5 2/3+ 1 2/3

10 p = 7 1/3 /: 10

p=22/3 * 1 / 10

p = 11/ 15

 

b) 1/2 d= 2 - 3 /4

1/2d= 1 1/4 /: 1/2

d=5/2=2 1/2