2,3,7 de făcut !30p + coroana!Multumesc anticipat

237 De Făcut 30p CoroanaMultumesc Anticipat class=

Răspuns :

Ex.2
1/2*2/3=2/15
4/7*5/3=20/21
5/9*2/7=10/63
5*3/4=15/4
2\5*3=6/5
4/3*1/4=1/3
5/2*4/5=2
Ex.3 a) 3/2 b)2/3 c) 3 d) 2/3 e)1115/704 f)1
Ex.7 d)-F   2/3*1/3*4=8/9