题目内容

1
8
×14÷
7
8
4
5
+
3
10
)÷
3
10
5
6
÷(
1
2
+
5
6
3
4
÷
15
16
÷
5
6
1
100
÷
1
100
4
4
5
×4
3
5
-4
4
5
×3.6
3
4
÷
7
8
÷
15
14
4
9
+
2
15
)÷
2
15
3
20
÷0.2×
2
3

(1)
1
8
×14÷
7
8

=
1
8
÷
7
8
×14,
=
1
7
×14,
=2;

(2)(
4
5
+
3
10
)÷
3
10

=
11
10
÷
3
10

=
11
3


(3)
5
6
÷(
1
2
+
5
6
),
=
5
6
÷
4
3

=
5
8


(4)
3
4
÷
15
16
÷
5
6

=
4
5
÷
5
6

=
24
25


(5)1÷
1
100
÷
1
100

=100÷
1
100

=10000;

(6)4
4
5
×4
3
5
-4,
=22
2
25
-4,
=18
2
25


(7)
4
5
×3.6
=0.8×3.6,
=2.88;

(8)
3
4
÷
7
8
÷
15
14

=
6
7
÷
15
14

=
4
5


(9)(
4
9
+
2
15
)÷
2
15

=(
4
9
+
2
15
)×
15
2

=
4
9
×
15
2
+
2
15
×
15
2

=
10
3
+1,
=
13
3


(10)
3
20
÷0.2×
2
3

=
3
4
×
2
3

=
1
2
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