Szybko z obliczeniami

Szybko Z Obliczeniami class=

Odpowiedź :

a) 2/5 = 4/10 = 0,4  

9/10 =0,9  

3/20 = 15/100 = 0,15  

13/50 = 26/100 = 0,26  

3/4 = 75/100 = 0,75  

15/8 = 1875/1000 = 1,875  

121/20 = 605/100 = 6,05

b) 1/2 = 5/10 = 0,5,  

8/5 = 16/10 = 1,6  

1/8 = 125/1000 = 0,125

3/8 = 375/1000=0,375    

9/4 = 225/100 = 2,25  

132/20 = 660/100 = 66/10 = 6,6    

512/40 = 128/10 = 12,8  

c) 3/50 = 6/100 = 0,06  

17/100 = 0,17  

51/200 = 255/1000 = 0,225  

9/500 = 18/1000 = 0,018  

11/1000 = 0,011  

1200/250 = 4800/1000 = 48/10 = 4,8

Odpowiedź:

Szczegółowe wyjaśnienie:

a)2/5=4/10=0,4

9/10=0,9

3/20=15/100=0,15

13/50=26/100=0,26

3/4=75/100=0,75

15/8=1875/1000=1,875

121/20=605/100=6,05

b)

1/2=5/10=0,5

8/5=16/10=1,6

1/8=125/1000=0,125

3/8=375/1000=0,375

9/4=225/100=2,25

132/20=660/100=6.6

512/40=1280/1000=12.8

c)

3/50=6/100=0,06

17/100=0,17

51/200=255/1000=0,255

9/500=18/1000=0.018

11/1000=0.011

1200/250=4800/1000=4.8