jcbballer
25.08.2019 •
Mathematics
If a+b = 76 & a -b = 38 what is a/b?
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Ответ:
A-B=38
A=38+B
Substitute into other
38+B+B=76
2b=38
b=19
A+19=76
A=38
B=19
Ответ: