Mathematics
Mathematics, 16.10.2020 15:01, ThousandSeas9381

4. Замените х натуральным числом так, чтобы получилось верные равенства а) 2/5=х/30

b) х/8=30/48

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4. Замените х натуральным числом так, чтобы получилось верные равенства а) 2/5=х/30

b)...

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