问题 解答题
4
5
=
7
8
×6÷
7
8
=
2
5
+6×
3
5
=
1
6
×
3
8
=
1
8
+
1
4
)×16=
5
6
=
3
10
×
4
9
=
24%×5=
答案

(1)4÷

4
5

=4×

5
4

=5;

(2)

7
8
×6÷
7
8

=

7
8
×6×
8
7

=6;

(3)6×

2
5
+6×
3
5

=6×(

2
5
+
3
5
),

=6×1,

=6;

(4)

1
6
×
3
8
=
1
16

(5)(

1
8
+
1
4
)×16,

=

1
8
×16+
1
4
×16,

=2+4,

=6;

(6)1÷

5
6

6
5

=

6
5

(7)

3
10
×
4
9
=
2
15

(8)24%×5,

=0.24×5,

=1.2.

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