Question

wykonaj działania plus sprawdzenia

a) 2 3/4 * x =6

b) y * 3,6 = 1 4/5

Answer 1

2 3/4*x = 6

11/4 * x = 6   l * 4/11

x = 6 * 4/11 = 24/11 = 2  2/11

 

spr .

 2 3/4 * 2 2/11 =6

11/4 * 24/11 = 6

24/4 = 6

6=6

L=P

 

y * 3,6 = 1  4/5

y * 36/10 =9/5 

y * 18/5 = 9/5   l*5/18

y = 9/5 * 5/18 = 9/18 = 1/2

 

spr.

 1/2 * 3,6 = 1 4/5

1/2 * 36/10 = 1 4/5

18/10 = 1 4/5

8/5 = 1 4/5

1 4/5 = 1 4/5

L=P