Знайти частку 3 3/7 ∶ (-1 1/7)

3 3/7 : (-1 1/7) = 24/7 : (-8/7) = 24/7 · (-7/8) = -24/8 = -3

Вiдповiдь: (-3).

(0,5: 1,25+1,4·7/11-3/11)·4 ¹/₈=(5/10: 125/100+14/10·7/11-3/11)·33/8=(1/25+98/110-3/11)·33/8=(²²⁺⁴⁹⁰⁻¹⁵⁰/₅₅₀)·33/8=362/550·33/8=543/200=2  ¹⁴³/₂₀₀