А) 17*x*162=27*6*68
б) 3*13*x*14=56*39
в) 165-(y+112) =37
A) 17 × X × 162 = 27 × 6 × 68
X = (27 × 6 × 68) / (17 ×162)
X = (162 × 17 × 4) / (17 ×162)
X = 4
б) 3 × 13 × X ×14 = 56 × 39
X = (56 × 39) / (14 × 39)
X = 4
в) 165 - (y + 112) = 37
165 - 112 - 37 = y
y = 16
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