Ответ:
1. (Х+450)-3540=4000:80
(Х+450)-3540=50
(Х+450)=3540+50
(Х+450)=3590
Х=3590-450
Х=3140
2. (1234+n)+2140=52741
(1234+n)52741-2140=50601
n=50601-1234
n=49367
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Answers & Comments
Ответ:
1. (Х+450)-3540=4000:80
(Х+450)-3540=50
(Х+450)=3540+50
(Х+450)=3590
Х=3590-450
Х=3140
2. (1234+n)+2140=52741
(1234+n)52741-2140=50601
n=50601-1234
n=49367