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1) transforma in minute :
a) 5 grade
b) 90 grade
c) 120 grade
d)12 grade 30'
e)100 grade 2'
f)1 grade 13'
2) transforma in grade si minute
a) 30 grade 21'x2
b) 30 grade 21' + 14 grade 5'
c) 30 grade 21'-14 grade5'
d) 30 grade 21':3

Răspuns :

Alexandra2p0
Sper ca te-am ajutat,ma poti intreba in caz ca nu intelegi ceva :)
Vezi imaginea Alexandra2p0
Andynico3
1) 5 grade=300 minute
90 grade=5400 minute
120 grade=7200 minute
12 grade 30'=750 minute
100 grade 2'=6002 minute
1 grade 13'=73

2) 30 grade 21'x2=60 grade 42'
    30 grade 21'+14 grade 5'=44 grade 26'
    30 grade 21'-14 grade 5'=16 grade 16'
    30 grade 21':3=10 grade 7'

  Sper ca te-am ajutat! =)

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