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EX 7 A,B
VA ROG REPEEEDEE
DAU COROANA​


EX 7 ABVA ROG REPEEEDEEDAU COROANA class=

Răspuns :

a)5/6-2/3=5/6-4/6=1/6
1si1/8=1x8+1/8=9/8
1/6x8/9=8/54=4/27

b)
2/5+3/15=6/15+3/15=9/15=3/5
3/10x5/3=15/30=1/2

c)1/3+1/4=4/12+3/12=7/12
2-5/6=12/6-5/6=7/6

7/12x6/7=42/84=1/2

Răspuns:

Explicație pas cu pas:

Vezi imaginea CSTOANA09