bluewhisper
08.10.2019 •
Mathematics
15 divided 6 2/3
a. 2 3/4
b.100
c.100 1/4
d.2 1/4
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Ответ:
1: 9n-3=21 ==>B
2: 3n+9=21 ==>A
3: 9n-3=21 ==>B
4: 3n-9=21 ==>C
I wish to have understood all those sentences.