Нaйдите x

1/10x=4/5

1/8x=5/6

1/2X=2/3

1/12X=5/6

1) 1/10x=4/5

0,1x = 0,8

x = 0,8 : 0,1

x = 8

2) ¹/₈x=⁵/₆

x = ⁵/₆ : ¹/₈

x = ⁵/₆ * ⁸/₁

x = ⁵ˣ⁸/₆ₓ₁

x = ⁴⁰/₆

x = 6⁴/₆

x = 6²/₃

3) ¹/₂x=²/₃

x = ²/₃ : ¹/₂

x = ²/₃ * ²/₁

x = ²ˣ²/₃ₓ₁

x = ⁴/₃

x = 1¹/₃

4) ¹/₁₂x=⁵/₆

x = ¹/₁₂ : ⁵/₆

x = ¹/₁₂ * ⁶/₅

x = ¹ˣ⁶/₁₂ₓ₅

x = ¹/₂ₓ₅

x = ¹/₁₀

x = 0,1

1. x=8

2. x=20/3

3. x=4/3

4. x=10