1. Упростите выражение и подчеркните коэффициент
а) -3 (-7k) 4p
б) 8/15 a (-2 1/2) (-1 1/2b)
в) -2,4 m (-3,2) × 5,5
г) 9,6x (-3/7y) × 5/6

2. Решите уравнение
а) -0,2x (-4) = -0,88
б) 3/7 × 2 4/5y (-0,6)= 1,44
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