Question

Ajutor va rog frumos urgeeent dau coroana ex 8 si 9 ​

Answer 1

Răspuns:

Explicație pas cu pas:

8.

7 copii..................15 inghetate .....................20 minute

1 copil...................15 inghetate.......................20 x 7 = 140 minute

1 copil ...................1 inghetata .........................140 : 15 = 9,(3) minute

9,(3) minute = 9 minute si 20 secunde

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9.

1/6 minute........................3 sarituri

1 minut ..............................3 x 6 = 18 sarituri

2 minute ...........................2 x 18 = 36 sarituri

o jumatate de minut .................18 : 2 = 9 sarituri

2 minute si jumatate ..................36 + 9 = 45 sarituri