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DragonLovely
22.04.2020 •
Mathematics
20 points please help!!
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Ответ:
3/7+r = 13/15
r=46/105
Step-by-step explanation:
Given ribbon of her project= 13/15
Used 3/7
left=r
3/7+r = 13/15
r=13/15 - 3/7
r=46/105
Ответ: