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exercitiul 6
urgent!!!!

Exercitiul 6urgent class=

Răspuns :

Nitugheorghe57
a)3|4=3×5|4×5=3|4=15|20⇒3|4=3|3
b)7|8=7×2|8×2=7|8=14|16⇒7|8=7|8
c)5|9=5×3|9×3=5|9=15|27⇒5|9=5|9
d)18|20=18:2|20:2=18|20=9|10⇒18|20=18|20
e)12|21=12:3|21:3=12|21=4|7⇒12|21=12|21
f)20|70=20:10|70:10=20|70=2|7⇒20|70=20|70
succes