问题 解答题
计算(能简算的要简算).
(1)(
5
8
+
5
6
)×
4
25
(2)
1
5
×8÷
4
5
(3)
35
64
÷(
1
8
+
3
4
)
(4)
18
25
÷0.6×
2
3
(5)[1-(
1
4
+
3
8
)]÷
1
4
(6)(
2
6
+
1
2
÷
7
6
答案

(1)(

5
8
+
5
6
)×
4
25

=

5
8
×
4
25
+
5
6
×
4
25

=

1
10
+
4
30

=

7
30

(2)

1
5
×8÷
4
5

=

1
5
×8×
5
4

=

1
5
×
5
4
×8,

=

1
4
×8,

=2;

(3)

35
64
÷(
1
8
+
3
4
)

=

35
64
÷
7
8

=

5
8

(4)

18
25
÷0.6×
2
3

=

6
5
×
2
3

=

4
5

(5)[1-(

1
4
+
3
8
)]÷
1
4

=[1-

5
8
]÷
1
4

=

3
8
÷
1
4

=

3
2

(6)(

2
6
+
1
2
÷
7
6

=

5
6
÷
7
6

=

5
7

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