Oblicz:
a) 1¼ - 0,5 - - 0,25 + 1½ =
b) -⅛ - ⅓ + 2,5 + 3⅓ - ( - 0,125 ) =
a)1 i 1/4 - 1/2 - 3/7 - 1/4 + 1 i 1/2 = 3/4 - 3/7 - 1/4 +1 i 1/2 = 9/28 - 1/4 + 1 i 1/2= 2/28 +1i 1/2 = 1/14 + 1 i 7/14 = 1 i 8 /14 = 1 i 4/7
b)Sorki ,ale tamtego nie widziałam .
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a)1 i 1/4 - 1/2 - 3/7 - 1/4 + 1 i 1/2 = 3/4 - 3/7 - 1/4 +1 i 1/2 = 9/28 - 1/4 + 1 i 1/2= 2/28 +1i 1/2 = 1/14 + 1 i 7/14 = 1 i 8 /14 = 1 i 4/7
b)Sorki ,ale tamtego nie widziałam .