July 2022 1 4 Report
1. решите уравнения.
х(х-14)=-49
(х-2)^3=х(х-2)^2
2.Докажите,что выражение 13,3^4-1,7^4 кратно 5 и 3.
3.Докажите,что выражение 96,8^3-19,8^3 кратно 7.
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