Упростите выражения: 7(7к+8)-7
8h-(h-10)+(7h+5)
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Упростите выражение и найдите его значение:
-4(2,7u-4,9)+3,8u-8 при u = -0.1
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Раскройте скобки: 8е-(2е-(3е-4))
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