Matematică, întrebare adresată de oly12, 9 ani în urmă

efectuati 1/ 2 +5/3
b)1/2+2/5
c)5/2+1/6
d)7/12+1/24
e)1/18+7/36+11/72
Dau coroana!!!Ajutor!

Răspunsuri la întrebare

Răspuns de socaiada
1
a)1/2+5/3=3/6+10/6=13/6
b)5/2+2/5=25/10+4/10=29/10
c)5/2+1/6=15/6+1/6=16/6
d)7/12+1/24=14/24+1/24=15/24
e01/18+7/36+11/72=4/72+14/72+11/72=29/72

oly12: 11/3+7/6+2
oly12: 1/28+7/72+1/84
oly12: 1/8+4/3+9/2
oly12: 21/1+3×35/1+17/14
socaiada: 11/3+7/6+2=11/3+7/6+12/6=22/6+7/6+12/6=39/6
oly12: 7/120+11/240+1/400
socaiada: 1/28+7/72+1/84=18/504+49/504+6/504=73/504
socaiada: 1/8+4/3+9/2=3/24+32/24+108/24=143/24
socaiada: gata
oly12: multumesc!
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