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用递等式计算(能简算的要简算)16×23÷(1315−45)25%÷(3−513−813)2.42÷43+4.58×34+3÷4.

题目详情
用递等式计算(能简算的要简算)
1
6
×
2
3
÷(
13
15
4
5
)
25%÷(3−
5
13
8
13
)
2.42÷
4
3
+4.58×
3
4
+3÷4.

1
6
×
2
3
÷(
13
15
4
5
)
25%÷(3−
5
13
8
13
)
2.42÷
4
3
+4.58×
3
4
+3÷4.
1
6
1166
2
3
2233
13
15
13131515
4
5
4455
25%÷(3−
5
13
8
13
)
2.42÷
4
3
+4.58×
3
4
+3÷4.
5
13
551313
8
13
881313
2.42÷
4
3
+4.58×
3
4
+3÷4.
4
3
4433
3
4
3344
▼优质解答
答案和解析
(1)
1
6
×
2
3
÷(
13
15
4
5
),
=
1
6
×
2
3
÷
1
15

=
1
9
÷
1
15

=1
2
3


(2)25%÷(3-
5
13
-
8
13
),
=25%÷[3-(
5
13
+
8
13
)],
=25%÷[3-1],
=25%÷2,
=
1
8


(3)2.42÷
4
3
+4.58×
3
4
+3÷4,
=2.42×
3
4
+4.58×
3
4
+
3
4

=(2.42+4.58+1)×
3
4

=8×
3
4

=6.
1
6
111666×
2
3
÷(
13
15
4
5
),
=
1
6
×
2
3
÷
1
15

=
1
9
÷
1
15

=1
2
3


(2)25%÷(3-
5
13
-
8
13
),
=25%÷[3-(
5
13
+
8
13
)],
=25%÷[3-1],
=25%÷2,
=
1
8


(3)2.42÷
4
3
+4.58×
3
4
+3÷4,
=2.42×
3
4
+4.58×
3
4
+
3
4

=(2.42+4.58+1)×
3
4

=8×
3
4

=6.
2
3
222333÷(
13
15
4
5
),
=
1
6
×
2
3
÷
1
15

=
1
9
÷
1
15

=1
2
3


(2)25%÷(3-
5
13
-
8
13
),
=25%÷[3-(
5
13
+
8
13
)],
=25%÷[3-1],
=25%÷2,
=
1
8


(3)2.42÷
4
3
+4.58×
3
4
+3÷4,
=2.42×
3
4
+4.58×
3
4
+
3
4

=(2.42+4.58+1)×
3
4

=8×
3
4

=6.
13
15
131313151515
4
5
),
=
1
6
×
2
3
÷
1
15

=
1
9
÷
1
15

=1
2
3


(2)25%÷(3-
5
13
-
8
13
),
=25%÷[3-(
5
13
+
8
13
)],
=25%÷[3-1],
=25%÷2,
=
1
8


(3)2.42÷
4
3
+4.58×
3
4
+3÷4,
=2.42×
3
4
+4.58×
3
4
+
3
4

=(2.42+4.58+1)×
3
4

=8×
3
4

=6.
4
5
444555),
=
1
6
×
2
3
÷
1
15

=
1
9
÷
1
15

=1
2
3


(2)25%÷(3-
5
13
-
8
13
),
=25%÷[3-(
5
13
+
8
13
)],
=25%÷[3-1],
=25%÷2,
=
1
8


(3)2.42÷
4
3
+4.58×
3
4
+3÷4,
=2.42×
3
4
+4.58×
3
4
+
3
4

=(2.42+4.58+1)×
3
4

=8×
3
4

=6.
1
6
111666×
2
3
÷
1
15

=
1
9
÷
1
15

=1
2
3


(2)25%÷(3-
5
13
-
8
13
),
=25%÷[3-(
5
13
+
8
13
)],
=25%÷[3-1],
=25%÷2,
=
1
8


(3)2.42÷
4
3
+4.58×
3
4
+3÷4,
=2.42×
3
4
+4.58×
3
4
+
3
4

=(2.42+4.58+1)×
3
4

=8×
3
4

=6.
2
3
222333÷
1
15

=
1
9
÷
1
15

=1
2
3


(2)25%÷(3-
5
13
-
8
13
),
=25%÷[3-(
5
13
+
8
13
)],
=25%÷[3-1],
=25%÷2,
=
1
8


(3)2.42÷
4
3
+4.58×
3
4
+3÷4,
=2.42×
3
4
+4.58×
3
4
+
3
4

=(2.42+4.58+1)×
3
4

=8×
3
4

=6.
÷
1
15
111151515,
=
1
9
÷
1
15

=1
2
3


(2)25%÷(3-
5
13
-
8
13
),
=25%÷[3-(
5
13
+
8
13
)],
=25%÷[3-1],
=25%÷2,
=
1
8


(3)2.42÷
4
3
+4.58×
3
4
+3÷4,
=2.42×
3
4
+4.58×
3
4
+
3
4

=(2.42+4.58+1)×
3
4

=8×
3
4

=6.
1
9
111999÷
1
15

=1
2
3


(2)25%÷(3-
5
13
-
8
13
),
=25%÷[3-(
5
13
+
8
13
)],
=25%÷[3-1],
=25%÷2,
=
1
8


(3)2.42÷
4
3
+4.58×
3
4
+3÷4,
=2.42×
3
4
+4.58×
3
4
+
3
4

=(2.42+4.58+1)×
3
4

=8×
3
4

=6.
÷
1
15
111151515,
=1
2
3


(2)25%÷(3-
5
13
-
8
13
),
=25%÷[3-(
5
13
+
8
13
)],
=25%÷[3-1],
=25%÷2,
=
1
8


(3)2.42÷
4
3
+4.58×
3
4
+3÷4,
=2.42×
3
4
+4.58×
3
4
+
3
4

=(2.42+4.58+1)×
3
4

=8×
3
4

=6.
2
3
222333;

(2)25%÷(3-
5
13
-
8
13
),
=25%÷[3-(
5
13
+
8
13
)],
=25%÷[3-1],
=25%÷2,
=
1
8


(3)2.42÷
4
3
+4.58×
3
4
+3÷4,
=2.42×
3
4
+4.58×
3
4
+
3
4

=(2.42+4.58+1)×
3
4

=8×
3
4

=6.
5
13
555131313-
8
13
),
=25%÷[3-(
5
13
+
8
13
)],
=25%÷[3-1],
=25%÷2,
=
1
8


(3)2.42÷
4
3
+4.58×
3
4
+3÷4,
=2.42×
3
4
+4.58×
3
4
+
3
4

=(2.42+4.58+1)×
3
4

=8×
3
4

=6.
8
13
888131313),
=25%÷[3-(
5
13
+
8
13
)],
=25%÷[3-1],
=25%÷2,
=
1
8


(3)2.42÷
4
3
+4.58×
3
4
+3÷4,
=2.42×
3
4
+4.58×
3
4
+
3
4

=(2.42+4.58+1)×
3
4

=8×
3
4

=6.
5
13
555131313+
8
13
)],
=25%÷[3-1],
=25%÷2,
=
1
8


(3)2.42÷
4
3
+4.58×
3
4
+3÷4,
=2.42×
3
4
+4.58×
3
4
+
3
4

=(2.42+4.58+1)×
3
4

=8×
3
4

=6.
8
13
888131313)],
=25%÷[3-1],
=25%÷2,
=
1
8


(3)2.42÷
4
3
+4.58×
3
4
+3÷4,
=2.42×
3
4
+4.58×
3
4
+
3
4

=(2.42+4.58+1)×
3
4

=8×
3
4

=6.
1
8
111888;

(3)2.42÷
4
3
+4.58×
3
4
+3÷4,
=2.42×
3
4
+4.58×
3
4
+
3
4

=(2.42+4.58+1)×
3
4

=8×
3
4

=6.
÷
4
3
444333+4.58×
3
4
+3÷4,
=2.42×
3
4
+4.58×
3
4
+
3
4

=(2.42+4.58+1)×
3
4

=8×
3
4

=6.
3
4
333444+3÷4,
=2.42×
3
4
+4.58×
3
4
+
3
4

=(2.42+4.58+1)×
3
4

=8×
3
4

=6.
3
4
333444+4.58×
3
4
+
3
4

=(2.42+4.58+1)×
3
4

=8×
3
4

=6.
3
4
333444+
3
4

=(2.42+4.58+1)×
3
4

=8×
3
4

=6.
+
3
4
333444,
=(2.42+4.58+1)×
3
4

=8×
3
4

=6.
3
4
333444,
=8×
3
4

=6.
3
4
333444,
=6.