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куракова
@куракова
August 2022
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реши уравнение а) (x-42)+17=62 , б) (х*12)/4=18
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РусЭлbyf
Х-42=62-17
Х=45+42
Х=87
Х*12=72
Х=72:12
Х=6
1 votes
Thanks 6
Анна5556
А) 19 + x = 62; б) y – 23 = 78;
x = 62 - 19 y = 78 + 23
x = 43
y = 101
в) х : 13 = 257; г) 21*х = 357
x = 257 * 13 x = 357 / 21
x = 3341
x = 17
________________________________________
577 : 4 = 144
(ост 1)
577 : 5 = 115
(ост 2)
577 : 10 = 57
(ост 7)
_______________________________________
а) 5 * (182 + 20) = 5*182 + 5*20 = 910 + 100 =
1010
б) 348 * 57 + 348 * 43 = 19836 + 14964 =
34800
в) 794 * 74 – 694 * 74 = 58756 - 51356 =
7400
1 votes
Thanks 0
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Answers & Comments
Х=45+42
Х=87
Х*12=72
Х=72:12
Х=6
x = 62 - 19 y = 78 + 23
x = 43 y = 101
в) х : 13 = 257; г) 21*х = 357
x = 257 * 13 x = 357 / 21
x = 3341 x = 17
________________________________________
577 : 4 = 144(ост 1)
577 : 5 = 115 (ост 2)
577 : 10 = 57(ост 7)
_______________________________________
а) 5 * (182 + 20) = 5*182 + 5*20 = 910 + 100 = 1010
б) 348 * 57 + 348 * 43 = 19836 + 14964 = 34800
в) 794 * 74 – 694 * 74 = 58756 - 51356 = 7400