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a fost răspuns

Aflati sumele:
a)3/4+5/3
b)15/7+13/11
c) 3/13+1/11
d)16/3+11/37
e)11/5+3/7
f)1/11+5/19
g)3/5+1/23
h)1 1/7+ 1 2/11

Răspuns :

Bebedumi70
3/4+5/3=3*3+5*4 totul /12=29/12=2,41667
15/7+13/11=15*11+13*7 totul /77=256/77=3,32468
3/13+1/11=3*11+13 totul /143=46/143=0,32168
16/3+11/37=16*37+11*3 totul /111=625/111=5,63063
11/5+3/7=11*7+3*5 totul /35=92/35=2,62857
1/11+5/19=19+5*11 totul /209=74/209=0,35407
3/5+1/23=3*23+5 totul /115=74/115=0,64348
11/7+12/11=11*11+12*7 totul /77=205/77=2,66234

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