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(2007•淮安模拟)下面各题怎样简便就怎样算 14.4÷0.125÷8 (16

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(2007•淮安模拟)下面各题怎样简便就怎样算
14.4÷0.125÷8
1
6
(2007•淮安模拟)下面各题怎样简便就怎样算 14.4÷0.125÷8 (16
(1)14.4÷0.125÷8,
=14.4÷(0.125×8),
=14.4÷1,
=14.4;

(2)(
1
6+
1
8)×24×
1
5,
=
1
6×24×
1
5+
1
8×24×
1
5,
=
4
5+
3
5,
=
7
5;

(3)2.34×56-23.4×5.6,
=2.34×56-2.34×56
=2.34×(56-56),
=0;

(4)1.5×
4
5+0.8×5.5+2×
4
5,
=1.5×0.8+0.8×5.5+2×0.8,
=(1.5+5.5+2)×0.8,
=9×0.8,
=7.2;

(5)1005÷[42×(
5
6-
5
7)],
=1005÷[42×
5
6-42×
5
7],
=1005÷[35-30],
=1005÷5,
=201;

(6)
12
35÷[1-(
1
5+
1
7)],
=
12
35÷[1-
12
35],
=
12
35÷
24
35,
=
12
35×
35
24,
=
1
2.