Question

Oblicz sprytnie:

a) 3/4 x 8/9 x 6/11=

b) 15/7 x 3/8x 14/9=

c) 1/2 x 2/3 x 3/4 x 4/5 x 5/6 x 6/7 x 7/8 x 8/9 x 9/10=

d) 1/10 x 2/9 x 3/8 x 4/7 x 5/6 x 6/5 x 7/4 x 8/3 x /9/2=

PS.DAJĘ NAJ.

Answer 1

a) 3/4x 8/9x6/11=1/1x4/3x3/11=12/33=2 9/33=2 3/11

 

b)15/7 x 3/8x 14/9=5/1x1/4x1/1=5/4=1 1/4

 

c)1/2 x 2/3 x 3/4 x 4/5 x 5/6 x 6/7 x 7/8 x 8/9 x 9/10=1/1x1/1x1/1x1/1x1/1x1/1x1/1x1/1x1/10=1/10

 

d)1/10 x 2/9 x 3/8 x 4/7 x 5/6 x 6/5 x 7/4 x 8/3 x /9/2=1/10x1/1x1/1x1/1x1/1x1/1x1/1x1/1x1/1=1/10