September 2018 1 81 Report

1. (1-2,5)³ - (- 2 )³ =

2. [ ( - 2/3 )² : 8/9]² =

3. [ 1 + ( 5/3 )² × (- 3/5)³× (2 1/3)⁵ : ( 7/3)⁴ ] - (¾)° =

4. [ 1 + (2/3)² × (4/3)⁻¹ ]² : (3-1⅔)³ - (2½ × ⅕ ) =

5. ∛3 × ∛9 - √2 × √18 =

6. ∛3⅜ - √ 10/3 × √1 7/8 =

7. [(√4/3)⁴ + √8/9 × 1/√18] × √75 =

8. ∛24 + ∛ 1000 - 2∛3 =

9. √0,04 - (1,6 × 7/16 - 2,7/3³ ) =

10. 2,5 + (⅔ - 1,8 × ⅚ ) : -(⅓ ) =

11. Oblicz 35 % liczby 6 6/7 .

12. Oblicz 40% wyrażenia : 7⅖ × 1 ⅔ + 2 × ( - ⅔ ) =

13. Znajdź liczbę, której 75 % wynosi 111.
14. Znajdź liczbę,której 2,5 % wynosi 1 ¾ .


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