(1)(
2
3 -
1
2 +
3
8 )×24,
=
2
3 ×24-
1
2 ×24+
3
8 ×24,
=16-12+9,
=13;
(2)1.1-
4
11 -
2
11 -
5
11 ,
=1.1-(
4
11 +
2
11 +
5
11 ),
=1.1-1,
=0.1.
(1)(
2
3 -
1
2 +
3
8 )×24,
=
2
3 ×24-
1
2 ×24+
3
8 ×24,
=16-12+9,
=13;
(2)1.1-
4
11 -
2
11 -
5
11 ,
=1.1-(
4
11 +
2
11 +
5
11 ),
=1.1-1,
=0.1.
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