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Neagurodica781
a fost răspuns

Calculati : a)1/2+1/8 b)1/6+2/3 c)3/11+1/22 d)3/8+5/16 e)7/4+1/2 f)3/7+9/14 g)1/3+2/5 h)5/6+1/5 i)2/5+7/3 j)1/2+1/3+5/6 k)1/3+5/6+3/4+7/24 URGENT!!!!

Răspuns :

Co12
a) 1/2+1/8=4/8+1/8=5/8;
b) 1/6+2/3=1/6+4/6=5/6;
c) 3/11+1/22=6/22+1/22=7/22;
d) 3/8+5/16=6/16+5/16=11/16;
e) 7/4+1/2=7/4+2/4=9/4;
 f) 3/7+9/14=6/14+9/14=15/14;
g) 1/3+2/5=5/15+6/15=11/15;
h) 5/6+1/5=25/30+6/30=31/30;
i) 2/5+7/3=6/15+35/15=41/15;
 j) 1/2+1/3+5/6=3/6+2/6+5/6=10/6;
k) 1/3+5/6+3/4+7/24=8/24+20/24+18/24+7/24=53/24.

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