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Kürzen
Brüche und Dezimalzahlen
Addieren und Subtrahieren
Multiplizieren von Brüchen
Prozent
100

 12/36 

1/3

100

0,2 =

1/5

100

1/2 + 3/2 =

2

100

1/2*2/3 =

2/6 = 1/3

100

0,45 = 

45 %

200

45/60

3/4

200

3/10 =

0,3

200

2/5 + 3/10 =

7/10

200

3/4 * 4/5 =

3/5

200

10 % von 30 =

3

300

81/108

3/4

300

115/500 =

0,23

300

3/5 +16/35 =

37/35 = 1 2/35

300

5/6*3/8 =

15/48 = 5/16

300

0,003 = 

0,3 %

400

14/98

1/7

400

0,021=

21/1000

400

7/8-3/10 =

46/80 = 23/40

400

444/9 *3/2 =

222/3

400

13/20 =

(13*5)/(20*5)= 65/100 = 65 %

500

356/1068

1/3

500

1,8=

 18/10 = 9/5 

500

4 1/2 + 3/5 =

45/10+6/10 = 51/10

500

3 1/4 * 2/3 =

13/5*2/3 = 26/15 

500

7/40 =

(7*25)/(40*25) = 175/1000 = 17,5%