题目内容

计算下面各题,能简便计算的要简便计算.
0.125×(8×0.8)
9.43-(2.43+0.39)
1
2
-
1
5
)÷
3
4
÷
3
5
1
6
÷6+6÷
1
6
1
4
×
3
7
+
4
7
÷4
20.3×16-4560÷15.
(1)0.125×(8×0.8),
=0.125×8×0.8,
=1×0.8,
=0.8;
(2)9.43-(2.43+0.39),
=9.43-2.43-0.39,
=7-0.39,
=6.61;
(3)(
1
2
-
1
5
)÷
3
4
÷
3
5

=
3
10
÷
9
20

=
2
3

(4)
1
6
÷6+6÷
1
6

=
1
6
×
1
6
+6×6,
=36
1
36

(5)
1
4
×
3
7
+
4
7
÷4,
=
1
4
×
3
7
+
4
7
×
1
4

=
1
4
×(
3
7
+
4
7
),
=
1
4

(6)20.3×16-4560÷15,
=324.8-304,
=20.8.
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