oblicz

5 1/3 + 2,2
8,12-1 3/5
7 1/6 x 2,4
2 3/4:0,125
pliss na jutro a to na ocene


Odpowiedź :

Odpowiedź:

5 1/3 + 2 2/10 = 5 10/30 + 2 6 /30 = 7 16/30 = 7 8/15

8 12/100 - 1 3/5 = 8 12/100 - 1 60/100 = 7 112/100 - 1 60/100 = 6 52/100 = 6 13/25

7 1/6 * 2 4/10 = 43/6 * 24/10 = 43/1 * 4/10 = 172 / 10 = 17 2/10

2 3/4 : 0,125 = 11/4 : 1/8 = 11/4 * 8/1 = 11/1 * 2/1 = 22/1 = 22

Odpowiedź:

5 1/3 +2,2 = 5 1/3 + 2 2/10 = 5 10/30 + 2 6/30 = 7 16/30

8,12 - 1 3/5 = 8 12/100 - 1 3/5 = 8 3/25 - 1 3/5 = 8 3/25 - 1 15/25 = 7 28/25 - 1 15/25 = 6 13/25

7 1/6 * 2,4 = 7 1/6 * 2 4/10 = 7 5/30 * 3 12/30 = 7 1/6 * 2 2/5 = 31/6 * 12/5 = 62/5 = 12 2/5

2 3/4 : 0,125 = 2 3/4 : 125/1000 = 2 3/4 : 1/8 = 11/4 * 8/1 = 22/1 = 22