W wyrażeniu 3 1/3 + 1 5/9 x 1 1/11 - 2 1/5 + 1 1/4 : 1 8/15 rozmieść nawiazy tak, aby jego wartość byłą 3 1/12
(3 1/3 + 1 5/9) x 1 1/11 - (2 1/5 + 1 1/4) : 1 8/15 =
( 3 1/3 + 1 5/9) x 1 1/11 - (2 1/5 + 1 1/4) : 1 8/15 =
(3 3/9 + 1 5/9) x 12/11 - (2 1/5 + 5/4) : 23/15 =
4 8/9 x 12/11 - (2 1/5 + 5/4) x 15/23 =
44/9 x 12/11 - (2 4/20 + 1 5/20) x 15/23 =
16/3 - 3 9/20 x 15/23 = 5 1/3 - 69/20 x 15/23 =
5 1/3 - 9/4 = 5 1/3 - 2 1/4 = 5 4/12 - 2 3/12 = 3 1/12
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(3 1/3 + 1 5/9) x 1 1/11 - (2 1/5 + 1 1/4) : 1 8/15 =
( 3 1/3 + 1 5/9) x 1 1/11 - (2 1/5 + 1 1/4) : 1 8/15 =
(3 3/9 + 1 5/9) x 12/11 - (2 1/5 + 5/4) : 23/15 =
4 8/9 x 12/11 - (2 1/5 + 5/4) x 15/23 =
44/9 x 12/11 - (2 4/20 + 1 5/20) x 15/23 =
16/3 - 3 9/20 x 15/23 = 5 1/3 - 69/20 x 15/23 =
5 1/3 - 9/4 = 5 1/3 - 2 1/4 = 5 4/12 - 2 3/12 = 3 1/12