Задача Задача №432644
А
А
(-3)(4) + (-2)(3) + (4)(0) = -12 + (-6) + 0 = -18
a(lb) is not a valid expression. Please check the given question or provide the correct expression.
а² = (-3)² + (-2)² + 4² = 9 + 4 + 16 = 29
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