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Mathematics, 12.10.2019 18:30 slonzyy8397

In 1975 1000 tons of coal was manufactured. it is 10% greater in 1976 and 5% less in 77. what is the final about of coal in 1977

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In 1975 1000 tons of coal was manufactured. it is 10% greater in 1976 and 5% less in 77. what is the...
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