Odpowiedź:
a)
3/4x + 3/8x = 6/8x + 3/8x = 9/8x = (1 1/8)x
b)
1,2x + 2/3x = 12/10x + 2/3x = 6/5x +2/3x = 18/15x+ 10/15x =28/15x = (1 13/15)x
c)
1/4x + 5/6x - 1/2x = 3/12x + 10/12x - 6/12x = 7/12x
d)
3/7x - 0,2x +x = 3/7x - 2/10x +x = 30/70x - 14/70x + x = 16/70x + x = 8/35x + x =
= (1 8/35)x
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Odpowiedź:
a)
3/4x + 3/8x = 6/8x + 3/8x = 9/8x = (1 1/8)x
b)
1,2x + 2/3x = 12/10x + 2/3x = 6/5x +2/3x = 18/15x+ 10/15x =28/15x = (1 13/15)x
c)
1/4x + 5/6x - 1/2x = 3/12x + 10/12x - 6/12x = 7/12x
d)
3/7x - 0,2x +x = 3/7x - 2/10x +x = 30/70x - 14/70x + x = 16/70x + x = 8/35x + x =
= (1 8/35)x