Odpowiedź:
a) = 3/4 + 3/4 × 4/3 = 3/4 + 12/12 = 3/4 + 1 = 1 3/4
b) = 3 7/10 - 1 2/10 : 1/2= 3 7/10 - 12/10 × 2/1 =
= 3 7/10 - 12/5 = 3 7/10 - 2 4/10 = 1 3/10
c) 5/1 × 3/10 + 3/1 × 2/5 = 15/10 + 6/5 = 15/10 + 12/10=
= 27/10 = 2 7/10
d) = 1 2/10 × 3/1 - 1 4/10 × 2/7 = 12/10 × 3/1 - 14/10 × 2/7
= 36/10 - 4/10= 32/10 = 3 2/10 = 3 1/5
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Odpowiedź:
a) = 3/4 + 3/4 × 4/3 = 3/4 + 12/12 = 3/4 + 1 = 1 3/4
b) = 3 7/10 - 1 2/10 : 1/2= 3 7/10 - 12/10 × 2/1 =
= 3 7/10 - 12/5 = 3 7/10 - 2 4/10 = 1 3/10
c) 5/1 × 3/10 + 3/1 × 2/5 = 15/10 + 6/5 = 15/10 + 12/10=
= 27/10 = 2 7/10
d) = 1 2/10 × 3/1 - 1 4/10 × 2/7 = 12/10 × 3/1 - 14/10 × 2/7
= 36/10 - 4/10= 32/10 = 3 2/10 = 3 1/5