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Biebiabubu
a fost răspuns

sa se scrie sub forma de procent fractiile 3/4;1/5;7/20;3,4;0,45
aaaaaajjjjjjjuuuuuuuttttttttooooooooorrrrrrr!!!!!!

Răspuns :

Albatran
3/4=3*25/4*25=75/100=75%
1/5=1*20/5*20=20/100=20%
7/20=785/20*5=35/100=35%

3,4=34/10=340/100=340%
0,45=45/100=45%
as simple as that!