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grishafedorov

1 - 4 классы

№614 a) 14x + 27x = 656 b) 81y - 38y = 645...
Answer
№611 a) (30 - 2) * 5 b) 7 * (60 - 2) d) 85 * 137 - 75 * 137 g) 78 * 214 - 78 * ...
Answer
№612 Упростите выражения a)4a + 90a b) 86b - 77b d) 209m + m g) 302n - n...
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