1) -1,2×3а = - 3,6a
2) -0,8х × (-0.7) = 0,56x
3) -5b×2,4с = - 12bc
4) -6а×0,7b×(-0,5с) = -4,2ab × (-0,5c) = 2,1abc
5) -⁴/₁₅х × ⁵/₁₆ × (-у) = - ⁴ˣ⁵/₁₅ₓ₁₆x × (-y) = - ¹/₁₂x × (-y) = ¹/₁₂xy
6) 1³/₅х × (-¹⁵/₃₂у) = ⁸/₅x × (-¹⁵/₃₂y) = - ⁸ˣ¹⁵/₅ₓ₃₂xy = ³/₄xy = 0,75xy