LuluMathLover101
08.10.2020 •
Chemistry
How can we close our ears to a howling mob?
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Ответ:
Lets Reduce:
21/7=3 so we know for every 3 in 18/21 we have one in x/7
This means 6/7=18/21
Check:
18/6=3
21/7=3