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Kristina1098
a fost răspuns

Calculati si scrieti rezultatul sub forma cea mai simpla:
a)3 intregi +7/9
b)4 intregi -5/11
c)5/12+4/9
d)11/15/3/10
e)a intregi 7/8+7 intregi 5/6
f)8 intregi 3/8-5 intregi 7/10
Dau Coroama!!

Răspuns :

a)= (3x9-7)/9=20/9

b) =(4x11-5)/11=39/11

c) =(5x3+4x4)/36=(15+16)/36=31/36

d)=11/15:3/10=11/15x10/3=11/3x2/3=22/6

f) =(8x8+3)/8-(5x10+7)/10
=67/8-57/10=(67x5-57x4)/40=(335-228)/40=107/40=