Question

Zamień procenty na liczby:

a) 17/20

9/40

1/50

4/25

b) 1/6

4/9

2/5

5/7

c) 16 i 2/3

33 i 1/3

3 i 1/3

6 i 2/3

d) 2 i 2/3

11 i 1/3

5 i 1/7

8 i 1/4

8 i 1/4

110 i 3/4

Zamień liczny na procenty:

a) 5/8

3/5

1/2

11/20

7/10

b) 1/3

1/6

8/9

1/7

5/12

c) 1 i 2/3

2 i 5/8

3 i 4/9

4 i 1/6

1 i 4/5

d) 1/10

1/2

1/5

1/20

1/4

1/3

1/6

1/9

1/30

e) 3/4

7/9

4/5

2/3

5/6

2 i 2/5

1 i 1/3

4 i 5/7

3 i 1/4

f)1/10

1/20

1/6

1/30

1/2

1/4

1/9

1/5

1/3

g) 3/4

4/5

2/3

5/6

7/9

1 i 1/3

3 i 1/4

2 i 2/5

4 i 5/7

Jeśli mogę to proszę o rozpisani skąd wam się co wzieło.

/ = kreska ułamkowa

Answer 1

Zad 1: 

17/20=0,85
9/10=0,9
1/50=0,02
4/25=0,16
1/6=0,1666666
4/9=0,4444444
2/5=0,4
5/7=0,7142857
16 2/3=16,666666
33 1/3=33,333333
3 1/3=3,3333333
6 2/3=6,6666666
2 2/3=2,6666666
11 1/3=11,333333
5 1/7=5,1428571
8 1/4=8,25
110 3/4=110,75

Zad 2 

a) 5/8= 125/2=62.5%

   3/5=60/100=60%

   1/2=50/100=50%

11/20=55/100=55%

7/10=70/100=70%

b)1/3=33.3%

1/6=100/6=16.6%

8/9=800/9=88.8%

1/7=100/7=14.2%

5/12=500/12=41.6%

c)1 2/3=5/3=500/3=166.6%

2 5/8=21/8=2100/8=262.5%

3 4/9=31/9=3100/9=344.4%

4 1/6=25/6=2500/6=416.6%

1 4/5=900/5=180%

d)0.02x100%=2/100x100%=2%

0.24x100%=24/100x100%=24%

0.005x100%=5/1000x100%=0.5%

0.3x100%=3/10x100%=30%

0.000012x100%=12/1000000x100%=0.0012%

e) 3/4x100%=75%

4/5x100%=400/5%=80%

2/3x100%=200/3%=66.6%(w zaokragleniu 67%)

5/6x100%=500/6%=83.3%(83)

7/9x100%=700/9%=77.78%(78)

1 1/3=4/3x100%=400/3%=133.33%(133)

3 1/4=13/4x100%=325%

2 2/5x100%=12/5x100%=240%

4 5/7=33/7x100%=3300/7%=471.42%(471)