Oblicz 1 1/8* (4 3/5- 2 7/10) + (1/2) do 3 wynik ma wyjsc 2 21/80
1¹/₈ · (4³/₅ - 2⁷/₁₀)+ (½)³= ⁹/₈ · (²³/₅ - ²⁷/₁₀)+¹/₈ =⁹/₈ ·(4.6-2,7) +¹/₈=
= ⁹/₈ · 1,9 +¹/₈ =⁹/₈ · ¹⁹/₁₀ +¹/₈ = ¹⁷¹/₈₀ +¹/₈ =¹⁷¹/₈₀ +¹⁰/₈₀=¹⁸¹/₈₀ =2 ²¹/₈₀
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1¹/₈ · (4³/₅ - 2⁷/₁₀)+ (½)³= ⁹/₈ · (²³/₅ - ²⁷/₁₀)+¹/₈ =⁹/₈ ·(4.6-2,7) +¹/₈=
= ⁹/₈ · 1,9 +¹/₈ =⁹/₈ · ¹⁹/₁₀ +¹/₈ = ¹⁷¹/₈₀ +¹/₈ =¹⁷¹/₈₀ +¹⁰/₈₀=¹⁸¹/₈₀ =2 ²¹/₈₀