Odpowiedź :
zad.1]5minut=5/60h=1/12h 15min=15/60h=¼h 8cm=8/100m=2/25m 15dag=15/100kg=3/20kg 100kg=1/10 t 6mm=6/10cm=3/5cm zad.2] ten znak / to kreska ułamkowa 2/39=4/78 ,4/520=8/1040 ,525/6=1050/12, 728/4=1456/8, 11/927=22/1854, 1/216=2/432, 39/4=78/8, 8/312=16/624, 210/5=420/10, 8/721=16/1442, 3/4=6/8, 3/5=6/10, 5/6=10/12, 2/7=4/14, 3/8=6/16 pozdrawiam
1.
Robię po kolei.
⁵/₆₀ = ¹/₁₂
¹⁵/₆₀ = ¹/₄
⁸/₁₀₀ = ²/₂₅
¹⁵/₁₀₀ = ³/₂₀
¹⁰⁰/₁₀₀₀ = ¹/₁₀
⁶/₁₀₀ = ³/₅
2.
Robię po kolei.
²/₃₉ = ⁴/₇₈
⁴/₅₂₀ = ⁸/₁₀₄₀
⁵²⁵/₆ = ¹⁰⁵⁰/₁₂
⁷²⁸/₄ = ¹⁴⁵⁶/₈
¹¹/₉₂₇ = ²²/₁₈₅₄
¹/₂₁₆ = ²/₄₃₂
³⁹/₄ = ⁷⁸/₈
⁸/₃₁₂ = ¹⁶/₆₂₄
²¹⁰/₅ = ⁴²⁰/₁₀
⁸/₇₂₁ = ¹⁶/₁₄₄₂
3.
Robię po kolei.
¾ = ⁶/₈
⅗ = ⁶/₁₀
⅚ = ¹⁰/₁₂
²/₇ = ⁴/₁₄
⅜ = ⁶/₁₆
Proszę ;D.
Robię po kolei.
⁵/₆₀ = ¹/₁₂
¹⁵/₆₀ = ¹/₄
⁸/₁₀₀ = ²/₂₅
¹⁵/₁₀₀ = ³/₂₀
¹⁰⁰/₁₀₀₀ = ¹/₁₀
⁶/₁₀₀ = ³/₅
2.
Robię po kolei.
²/₃₉ = ⁴/₇₈
⁴/₅₂₀ = ⁸/₁₀₄₀
⁵²⁵/₆ = ¹⁰⁵⁰/₁₂
⁷²⁸/₄ = ¹⁴⁵⁶/₈
¹¹/₉₂₇ = ²²/₁₈₅₄
¹/₂₁₆ = ²/₄₃₂
³⁹/₄ = ⁷⁸/₈
⁸/₃₁₂ = ¹⁶/₆₂₄
²¹⁰/₅ = ⁴²⁰/₁₀
⁸/₇₂₁ = ¹⁶/₁₄₄₂
3.
Robię po kolei.
¾ = ⁶/₈
⅗ = ⁶/₁₀
⅚ = ¹⁰/₁₂
²/₇ = ⁴/₁₄
⅜ = ⁶/₁₆
Proszę ;D.