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b)tak
6i 19/30
1 i 11/15
a= 2/5
b= 0,4
2/5=4/10=0,4 tak
a= 4 i 3/5=4 i 6/10=4,6 tak
b=4,6
oblicz:
2,3+ 4 i 1/3=2 i 3/10+4 i 1/3=2 i 9/30+4 i 10/30=6 i 19/30
5,4- 3 i 2/3=5 i 4/10-3 i 2/3=5 i 12/30-3 i 20/30=1 i 22/30=1 i 11/15
0,4=⁴/₁₀=²/₅
a=b
4³/₅=4,6
4,6=4⁶/₁₀=4³/₅
a=b
2,3+ 4 ⅓=2³/₁₀+4⅓=²³/₁₀+¹³/₃=⁶⁹/₃₀ + ¹³⁰/₃₀=¹⁹⁹/₃₀= 6¹⁹/₃₀
5,4- 3 i ułamek 2,3 =5,4-3⅔=5⁴/₁₀-3⅔=⁵⁴/₁₀ - ¹¹/₃= ¹⁶²/₃₀-¹¹⁰/₃₀=⁵²/₃₀=²⁶/₁₅=1¹¹/₁₅