问题 解答题
15
16
÷
3
8
÷
5
6
9
13
÷
15
26
×
5
6
3
5
÷3+
1
3
×
4
5
(
1
2
+
3
8
3
4
⑤解方程:
3
10
÷x=
3
5
⑥解方程:(1-
3
4
)x=2
答案

(1)

15
16
÷
3
8
÷
5
6

=

15
16
×
8
3
÷
5
6

=

5
2
×
6
5

=3;

(2)

9
13
÷
15
26
×
5
6

=

9
13
×
26
15
×
5
6

=1;

(3)

3
5
÷3+
1
3
×
4
5

=

3
5
×
1
3
+
1
3
×
4
5

=

1
3
×
7
5

=

7
15

(4)(

1
2
+
3
8
)÷
3
4

=

7
8
×
4
3

=1

1
6

(5)

3
10
÷x=
3
5

3
5
x=
3
10

3
5
3
5
=
3
10
÷
3
5

x=

1
2

(6)(1-

3
4
)x=2,

1
4
x=2,

1
4
1
4
=2÷
1
4

x=8.

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