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Zedge32
a fost răspuns

Repede.Ex.4.Dau coroana.

4.calculati:
a)a/19+11a/19+7a/19;

b)3a/23+17a/23+26a/23

c)11x/49+13x/49+25x/49

d)15b/7-3b/7-5b/7

e)21y/11-7y/11-3y/7

f)29c/47-21c/47-8c/47

Răspuns :

Răspuns

a) a

b) 2a

c) x

d)  b

e) 5y/7

f) 0

Explicație pas cu pas:


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