Odpowiedź:
POZIOM A:
a)
b)
c)
POZIOM B:
a) 5/20 = 1/4
b) 4/18 = 2/9
c) 14/35 = 2/5
POZIOM C:
a) 1/5 x = 7 / ×5
x = 35
b) 2/3 x = 16 / × 3/2
x = 24
c) 7/10 x = 14 / × 10/7
x = 20
POZIOM D:
a) 4/7 × 42 = 24
b) 4/5 x = 28 / × 5/4
x = 40
c) 33/55 = 3/5
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Odpowiedź:
POZIOM A:
a)
b)
c)
POZIOM B:
a) 5/20 = 1/4
b) 4/18 = 2/9
c) 14/35 = 2/5
POZIOM C:
a) 1/5 x = 7 / ×5
x = 35
b) 2/3 x = 16 / × 3/2
x = 24
c) 7/10 x = 14 / × 10/7
x = 20
POZIOM D:
a) 4/7 × 42 = 24
b) 4/5 x = 28 / × 5/4
x = 40
c) 33/55 = 3/5