Предмет: Математика, автор: sitnikovanyuha

32+(75-n)=47
82-(n-54)=37
843-(319+n)=470

Ответы

Автор ответа: rudenskaya81
0
32+(75-n)=47
32+75-n=47
107-n=47
n=60

82-(n-54)=37
82-n+54=37
136-n=37
n=99

843-(319+n)=470
843-319-n=470
524-n=470
n=54
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