Question

Proszę pilnie o pomoc! Klasa 7 DAJE NAJ!

Answer 1

Verified answer

Odpowiedź:

Szczegółowe wyjaśnienie:

ZAD.7

a) 1,9 = 19/10

b) 3,1 = 31/10

c) 12,7 = 127/10

d) 1,73 = 173/100

e) 3,08 = 308/100

ZAD.8

1/2 = 0,5

1/4 = 0,25

1/8 = 0,125

1/5 = 0,2

3 1/2 = 7/2 = 35/10 = 3,5

3/4 = 0,75

1 2/5 = 7/5 = 14/10 = 1,4

3/8 = 0,375

ZAD.9

9/50 = 18/100 = 0,18

21/25 = 84/100 = 0,84

13/20 = 65/100 = 0,65

5 9/50 = 259/50 = 518/100 = 5,18

2 4/25 = 54/25 = 216/100 = 2,16

3 2/50 = 152/50 = 304/100 = 3,04

ZAD.10

a)

8/12 = 4/6 = 2/3 = 10/15

b)

40/15 = 8/3 = 2 2/3 = 2 6/9

c)

1 4/25 = 1 16/100 = 1,16 = 116/100

d)

3 16/20 = 3 4/5 = 3 8/10 = 3,8

e)

0,45 = 45/100 = 9/20 = 18/40

f)

2,8 = 2 8/10 = 2 4/5 = 14/5