Matematică
gamerulx
2015-11-07 00:54:39
Va rog mult dau puncte in plus si coroana daca îmi ziceți cum
Răspunsuri la întrebare
ocimis
2015-11-07 05:47:45

a) 8/9-5/9+3/9=6/9 b)11/35+15/35-1/35=25/35 c)17/36+25/36-5/36-19/36=18/36 d)71/90-22/90+17/90-6/90=60/90 e)21/33-12/33+15/33-2/33=22/33

lolo15
2015-11-07 05:49:00

a) 8/9-5/9+3/9=8-5+3/8=6/8 b) 11/35+15/35-1/35=11+15-1/35=25/35 c)17/36+25/36-5/36-19/36=17+25-5-19/36=18/36 d) 71/90-22/90+17/90-6/90=71-22+17-6/90=60/90 e) 21/33-12/33+15/33-2/33=21-12+15-2/33=22/33

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