Question

calculează... a) 1/2+1/3 b) 2/3+3/4 c) 1/4+5/6 d) 5/6+7/9 e) 1/18+1/12


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Answer 1

Răspuns:

Explicație pas cu pas:

a)1/2+1/3=(2+3)/6=5/6

b) 2/3+3/4=(8+9)/12=17/12

c)1/4+5/6=(3+10)/12=13/12

d)5/6+7/9=(15+14)/18=29/18

e) 1/18+1/12=(2+3)/36=5/36