3. Реши уравнения. а) х (25: 5) = 350
k+120 : 4 = 150
б) (40 • 3) : х = 6
25 : 5. х = 450
В) x: (15 - 2) = 3
с. (50 . 2) = 500
k+120 : 4 = 150
б) (40 • 3) : х = 6
25 : 5. х = 450
В) x: (15 - 2) = 3
с. (50 . 2) = 500
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