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va rog mult va dau 12 puncte

Va Rog Mult Va Dau 12 Puncte class=

Răspuns :

a) 3 + 5 - 2 / 4 = 6/4, (simplificăm cu 2), = 3/2 = 1,5

b) 3/4 - 1/4 + 3/8
3-1/4 + 3/8
3/8 + 2/4
3/8 + 1/2
3+4/8
= 7/8

c) 1 + 8 - 5 / 9
= 4/9

d) 3/5 - 2/5 + 1/2
3/5 - 2/5 + 1/2
3 - 2/5 + 1/2
1/2 + 1/5
5+2/10
= 7/10.
a)3/4+5/4+2/4=10/4simplificam cu 2 si este:5/2
b)6/8-2/8+3/8=7/8
c)1/9+8/9-5/9=4/9
d)6/10-4/10+5/10=7/10
Cred ca merit o coroană:}