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用你喜欢的方法计算.①496÷(530-499)×17②(2+1.25×0.8)÷6③(23+14-56)×24④78÷[(14+15)×56].

题目详情
用你喜欢的方法计算.
①496÷(530-499)×17

②(2+1.25×0.8)÷6
③(
2
3
+
1
4
-
5
6
)×24
7
8
÷[(
1
4
+
1
5
)×
5
6
].
用你喜欢的方法计算.
①496÷(530-499)×17

②(2+1.25×0.8)÷6
③(
2
3
+
1
4
-
5
6
)×24
7
8
÷[(
1
4
+
1
5
)×
5
6
].
用你喜欢的方法计算.
①496÷(530-499)×17
②(2+1.25×0.8)÷6用你喜欢的方法计算.
①496÷(530-499)×17

②(2+1.25×0.8)÷6
③(
2
3
+
1
4
-
5
6
)×24
7
8
÷[(
1
4
+
1
5
)×
5
6
].
③(
2
3
+
1
4
-
5
6
)×24
2
3
+
1
4
-
5
6
)×24
2
3
2233
1
4
-
5
6
)×24
1
4
1144
5
6
)×24
5
6
5566④
7
8
÷[(
1
4
+
1
5
)×
5
6
].
7
8
÷[(
1
4
+
1
5
)×
5
6
].
7
8
7788
1
4
+
1
5
)×
5
6
].
1
4
1144
1
5
)×
5
6
].
1
5
1155
5
6
].
5
6
5566
▼优质解答
答案和解析
①496÷(530-499)×17,
=496÷31×17,
=16×17,
=272;

②(2+1.25×0.8)÷6,
=(2+1)÷6,
=3÷6,
=0.5;

③(
2
3
+
1
4
-
5
6
)×24,
=
2
3
×24+
1
4
×24-
5
6
×24,
=16+6-20,
=2;

7
8
÷[(
1
4
+
1
5
)×
5
6
],
=
7
8
÷[
9
20
×
5
6
],
=
7
8
÷
3
8

=
7
8
×
8
3

=
7
3
2
3
222333+
1
4
-
5
6
)×24,
=
2
3
×24+
1
4
×24-
5
6
×24,
=16+6-20,
=2;

7
8
÷[(
1
4
+
1
5
)×
5
6
],
=
7
8
÷[
9
20
×
5
6
],
=
7
8
÷
3
8

=
7
8
×
8
3

=
7
3
1
4
111444-
5
6
)×24,
=
2
3
×24+
1
4
×24-
5
6
×24,
=16+6-20,
=2;

7
8
÷[(
1
4
+
1
5
)×
5
6
],
=
7
8
÷[
9
20
×
5
6
],
=
7
8
÷
3
8

=
7
8
×
8
3

=
7
3
5
6
555666)×24,
=
2
3
×24+
1
4
×24-
5
6
×24,
=16+6-20,
=2;

7
8
÷[(
1
4
+
1
5
)×
5
6
],
=
7
8
÷[
9
20
×
5
6
],
=
7
8
÷
3
8

=
7
8
×
8
3

=
7
3
2
3
222333×24+
1
4
×24-
5
6
×24,
=16+6-20,
=2;

7
8
÷[(
1
4
+
1
5
)×
5
6
],
=
7
8
÷[
9
20
×
5
6
],
=
7
8
÷
3
8

=
7
8
×
8
3

=
7
3
1
4
111444×24-
5
6
×24,
=16+6-20,
=2;

7
8
÷[(
1
4
+
1
5
)×
5
6
],
=
7
8
÷[
9
20
×
5
6
],
=
7
8
÷
3
8

=
7
8
×
8
3

=
7
3
5
6
555666×24,
=16+6-20,
=2;

7
8
÷[(
1
4
+
1
5
)×
5
6
],
=
7
8
÷[
9
20
×
5
6
],
=
7
8
÷
3
8

=
7
8
×
8
3

=
7
3
7
8
777888÷[(
1
4
+
1
5
)×
5
6
],
=
7
8
÷[
9
20
×
5
6
],
=
7
8
÷
3
8

=
7
8
×
8
3

=
7
3
1
4
111444+
1
5
)×
5
6
],
=
7
8
÷[
9
20
×
5
6
],
=
7
8
÷
3
8

=
7
8
×
8
3

=
7
3
1
5
111555)×
5
6
],
=
7
8
÷[
9
20
×
5
6
],
=
7
8
÷
3
8

=
7
8
×
8
3

=
7
3
5
6
555666],
=
7
8
÷[
9
20
×
5
6
],
=
7
8
÷
3
8

=
7
8
×
8
3

=
7
3
7
8
777888÷[
9
20
×
5
6
],
=
7
8
÷
3
8

=
7
8
×
8
3

=
7
3
9
20
999202020×
5
6
],
=
7
8
÷
3
8

=
7
8
×
8
3

=
7
3
5
6
555666],
=
7
8
÷
3
8

=
7
8
×
8
3

=
7
3
7
8
777888÷
3
8

=
7
8
×
8
3

=
7
3
3
8
333888,
=
7
8
×
8
3

=
7
3
7
8
777888×
8
3

=
7
3
8
3
888333,
=
7
3
7
3
777333.