Răspuns :

Eneavictor98id

Răspuns:

Explicație pas cu pas:

1grad=60 minute

1 minut=60 secunde

30 de grade=1800 minute

90 de grade=5400 minute

12 grade 24 minute=744 minute

180 de grade=10800 minute

120 e grade 46 minute=7246 minute

75 minute=1grad si 15 secunde

120 minute=2grade

123 minute=2 grade 3 minute

180 minute= 3 grade

189 minute= 3 grade 9 minute

390 minute=6 grade 30 minute

43.8 grade=43 grade 48 minute

142.12 grade=142 grade 7 minute 12 secunde

i)amplifica fractia cu 12 si vei avea204:1=204 grade

j)amplifica fractia cu 10 si vei avea 1350:3=450 grade

*sper ca te-am ajutat

**eu am pus grade si minute dar tu pune semnele din manual

(grad=cerculet;minut=linie;secunda=2 linii)

Diananectariaid

Răspuns:

1.

a) 30 grade x 60 secunde =1800 minute

b) 90 grade x 60 secunde=5400 minute

c) 12 grade x 60 secunde=720 minute+24 minute=744 minute

d) 180 grade x 60 secunde =10800 minute

e) 120 grade x 60 secunde =7200 minute+46 minute=7246 minute

f) 360 grade x 60 secunde=21600 minute

2.

a)75 secunde:60=1, rest 15= 1 minut si 15 secunde

b) 120 secunde:60= 2=2 minute

c) 123 secunde:60= 2, rest 3= 2 minute si 3 secunde

d) 180 secunde:60= 3=3 minute

e) 189 secunde:60=3, rest 9=3 minute si 9 secunde

f) 390 secunde:60= 6, rest 30= 6 minute si 30 secunde

La g, h, i,j nu stiu... Scz...

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