(1½)²-(-3)² × ⅔ --------------------- = -1¾ × (-1 ³/₇) +2,5 (-2)³ :1,6 - [5- ⁶/₅ × (¹⁰/₃)²] =

(1½)²-(-3)² × ⅔ --------------------- = -1¾ × (-1 ³/₇) +2,5 = [(1,5)² - 9 * 2/3]:[- 1,75 * (-1,75) + 2,5] = = (2,25 - 6):(3,0625 + 2,5) = = ( - 3,75): 5,5625 = - 0,7 (-2)³ :1,6 - [5- ⁶/₅ × (¹⁰/₃)²] = = -8 : 1,6 - [ nie można odczytać ułamków !!!

(³/₂)²-9* ⅔ ----------------------- = ⁷/₄*(-¹⁰/₇)+²⁵/₁₀ ⁹/₄-⁶/₁ = -------------= ⁵/₂+²⁵/₁₀ ⁹/₄-²⁴/₄ =-------------= ²⁵/₁₀+²⁵/₁₀ -¹⁵/₄ =-------------= 1 =-3¾= =-3,75 -8 : ¹⁶/₁₀-[5-⁶/₅*¹⁰⁰/⁹]= =¹⁰/₂-[5-⁴⁰/₃]= =5-[¹⁵/₃ - ⁴⁰/₃]= =5+ ²⁵/₃= =⁵/₁ +²⁵/₃= =¹⁵/₃ + ²⁵/₃= =⁴⁰/₃ =13 ⅓

(1½)²-(-3)² × ⅔ --------------------- = -1¾ × (-1 ³/₇) +2,5 (3/2)²-9x2/3 = ------------------ = -7/4x(-10/7)+25/10 9/4-6 = ---------- = 5/2+25/10 2 i 1/4-6 = ------------- = 25/10+25/10 -3 i 3/4 = ------------ = -15/4:5/1=-15/4x1/5= -3/4 50/10 (-2)³ :1,6 - [5- ⁶/₅ × (¹⁰/₃)²] = -8:1,6-[5-6/5x 100/9]= -5-[5-2/1x20/3]=-5-[5-40/3]=-5-[5-13 i 1/3]=-5+8 i 1/3= 3 i 1/3