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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)
×
÷(
−
)
25%÷(3−
−
)
2.42÷
+4.58×
+3÷4.
×
÷(
−
)
25%÷(3−
−
)
2.42÷
+4.58×
+3÷4.
1 1 6 6
2 2 3 3
13 13 15 15
4 4 5 5
25%÷(3−
−
)
2.42÷
+4.58×
+3÷4.
5 5 13 13
8 8 13 13
2.42÷
+4.58×
+3÷4.
4 4 3 3
3 3 4 4
1 |
6 |
2 |
3 |
13 |
15 |
4 |
5 |
25%÷(3−
5 |
13 |
8 |
13 |
2.42÷
4 |
3 |
3 |
4 |
1 |
6 |
2 |
3 |
13 |
15 |
4 |
5 |
25%÷(3−
5 |
13 |
8 |
13 |
2.42÷
4 |
3 |
3 |
4 |
1 |
6 |
2 |
3 |
13 |
15 |
4 |
5 |
25%÷(3−
5 |
13 |
8 |
13 |
2.42÷
4 |
3 |
3 |
4 |
5 |
13 |
8 |
13 |
2.42÷
4 |
3 |
3 |
4 |
4 |
3 |
3 |
4 |
▼优质解答
答案和解析
(1)
×
÷(
−
),
=
×
÷
,
=
÷
,
=1
;
(2)25%÷(3-
-
),
=25%÷[3-(
+
)],
=25%÷[3-1],
=25%÷2,
=
;
(3)2.42÷
+4.58×
+3÷4,
=2.42×
+4.58×
+
,
=(2.42+4.58+1)×
,
=8×
,
=6.
1 1 16 6 6×
÷(
−
),
=
×
÷
,
=
÷
,
=1
;
(2)25%÷(3-
-
),
=25%÷[3-(
+
)],
=25%÷[3-1],
=25%÷2,
=
;
(3)2.42÷
+4.58×
+3÷4,
=2.42×
+4.58×
+
,
=(2.42+4.58+1)×
,
=8×
,
=6.
2 2 23 3 3÷(
−
),
=
×
÷
,
=
÷
,
=1
;
(2)25%÷(3-
-
),
=25%÷[3-(
+
)],
=25%÷[3-1],
=25%÷2,
=
;
(3)2.42÷
+4.58×
+3÷4,
=2.42×
+4.58×
+
,
=(2.42+4.58+1)×
,
=8×
,
=6.
13 13 1315 15 15−
),
=
×
÷
,
=
÷
,
=1
;
(2)25%÷(3-
-
),
=25%÷[3-(
+
)],
=25%÷[3-1],
=25%÷2,
=
;
(3)2.42÷
+4.58×
+3÷4,
=2.42×
+4.58×
+
,
=(2.42+4.58+1)×
,
=8×
,
=6. −
4 4 45 5 5),
=
×
÷
,
=
÷
,
=1
;
(2)25%÷(3-
-
),
=25%÷[3-(
+
)],
=25%÷[3-1],
=25%÷2,
=
;
(3)2.42÷
+4.58×
+3÷4,
=2.42×
+4.58×
+
,
=(2.42+4.58+1)×
,
=8×
,
=6.
1 1 16 6 6×
÷
,
=
÷
,
=1
;
(2)25%÷(3-
-
),
=25%÷[3-(
+
)],
=25%÷[3-1],
=25%÷2,
=
;
(3)2.42÷
+4.58×
+3÷4,
=2.42×
+4.58×
+
,
=(2.42+4.58+1)×
,
=8×
,
=6.
2 2 23 3 3÷
,
=
÷
,
=1
;
(2)25%÷(3-
-
),
=25%÷[3-(
+
)],
=25%÷[3-1],
=25%÷2,
=
;
(3)2.42÷
+4.58×
+3÷4,
=2.42×
+4.58×
+
,
=(2.42+4.58+1)×
,
=8×
,
=6. ÷
1 1 115 15 15,
=
÷
,
=1
;
(2)25%÷(3-
-
),
=25%÷[3-(
+
)],
=25%÷[3-1],
=25%÷2,
=
;
(3)2.42÷
+4.58×
+3÷4,
=2.42×
+4.58×
+
,
=(2.42+4.58+1)×
,
=8×
,
=6.
1 1 19 9 9÷
,
=1
;
(2)25%÷(3-
-
),
=25%÷[3-(
+
)],
=25%÷[3-1],
=25%÷2,
=
;
(3)2.42÷
+4.58×
+3÷4,
=2.42×
+4.58×
+
,
=(2.42+4.58+1)×
,
=8×
,
=6. ÷
1 1 115 15 15,
=1
;
(2)25%÷(3-
-
),
=25%÷[3-(
+
)],
=25%÷[3-1],
=25%÷2,
=
;
(3)2.42÷
+4.58×
+3÷4,
=2.42×
+4.58×
+
,
=(2.42+4.58+1)×
,
=8×
,
=6.
2 2 23 3 3;
(2)25%÷(3-
-
),
=25%÷[3-(
+
)],
=25%÷[3-1],
=25%÷2,
=
;
(3)2.42÷
+4.58×
+3÷4,
=2.42×
+4.58×
+
,
=(2.42+4.58+1)×
,
=8×
,
=6.
5 5 513 13 13-
),
=25%÷[3-(
+
)],
=25%÷[3-1],
=25%÷2,
=
;
(3)2.42÷
+4.58×
+3÷4,
=2.42×
+4.58×
+
,
=(2.42+4.58+1)×
,
=8×
,
=6.
8 8 813 13 13),
=25%÷[3-(
+
)],
=25%÷[3-1],
=25%÷2,
=
;
(3)2.42÷
+4.58×
+3÷4,
=2.42×
+4.58×
+
,
=(2.42+4.58+1)×
,
=8×
,
=6.
5 5 513 13 13+
)],
=25%÷[3-1],
=25%÷2,
=
;
(3)2.42÷
+4.58×
+3÷4,
=2.42×
+4.58×
+
,
=(2.42+4.58+1)×
,
=8×
,
=6.
8 8 813 13 13)],
=25%÷[3-1],
=25%÷2,
=
;
(3)2.42÷
+4.58×
+3÷4,
=2.42×
+4.58×
+
,
=(2.42+4.58+1)×
,
=8×
,
=6.
1 1 18 8 8;
(3)2.42÷
+4.58×
+3÷4,
=2.42×
+4.58×
+
,
=(2.42+4.58+1)×
,
=8×
,
=6. ÷
4 4 43 3 3+4.58×
+3÷4,
=2.42×
+4.58×
+
,
=(2.42+4.58+1)×
,
=8×
,
=6.
3 3 34 4 4+3÷4,
=2.42×
+4.58×
+
,
=(2.42+4.58+1)×
,
=8×
,
=6.
3 3 34 4 4+4.58×
+
,
=(2.42+4.58+1)×
,
=8×
,
=6.
3 3 34 4 4+
,
=(2.42+4.58+1)×
,
=8×
,
=6. +
3 3 34 4 4,
=(2.42+4.58+1)×
,
=8×
,
=6.
3 3 34 4 4,
=8×
,
=6.
3 3 34 4 4,
=6.
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 |
3 |
4 |
=2.42×
3 |
4 |
3 |
4 |
3 |
4 |
=(2.42+4.58+1)×
3 |
4 |
=8×
3 |
4 |
=6.
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 |
3 |
4 |
=2.42×
3 |
4 |
3 |
4 |
3 |
4 |
=(2.42+4.58+1)×
3 |
4 |
=8×
3 |
4 |
=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 |
3 |
4 |
=2.42×
3 |
4 |
3 |
4 |
3 |
4 |
=(2.42+4.58+1)×
3 |
4 |
=8×
3 |
4 |
=6.
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 |
3 |
4 |
=2.42×
3 |
4 |
3 |
4 |
3 |
4 |
=(2.42+4.58+1)×
3 |
4 |
=8×
3 |
4 |
=6. −
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 |
3 |
4 |
=2.42×
3 |
4 |
3 |
4 |
3 |
4 |
=(2.42+4.58+1)×
3 |
4 |
=8×
3 |
4 |
=6.
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 |
3 |
4 |
=2.42×
3 |
4 |
3 |
4 |
3 |
4 |
=(2.42+4.58+1)×
3 |
4 |
=8×
3 |
4 |
=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 |
3 |
4 |
=2.42×
3 |
4 |
3 |
4 |
3 |
4 |
=(2.42+4.58+1)×
3 |
4 |
=8×
3 |
4 |
=6. ÷
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 |
3 |
4 |
=2.42×
3 |
4 |
3 |
4 |
3 |
4 |
=(2.42+4.58+1)×
3 |
4 |
=8×
3 |
4 |
=6.
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 |
3 |
4 |
=2.42×
3 |
4 |
3 |
4 |
3 |
4 |
=(2.42+4.58+1)×
3 |
4 |
=8×
3 |
4 |
=6. ÷
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 |
3 |
4 |
=2.42×
3 |
4 |
3 |
4 |
3 |
4 |
=(2.42+4.58+1)×
3 |
4 |
=8×
3 |
4 |
=6.
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 |
3 |
4 |
=2.42×
3 |
4 |
3 |
4 |
3 |
4 |
=(2.42+4.58+1)×
3 |
4 |
=8×
3 |
4 |
=6.
5 |
13 |
8 |
13 |
=25%÷[3-(
5 |
13 |
8 |
13 |
=25%÷[3-1],
=25%÷2,
=
1 |
8 |
(3)2.42÷
4 |
3 |
3 |
4 |
=2.42×
3 |
4 |
3 |
4 |
3 |
4 |
=(2.42+4.58+1)×
3 |
4 |
=8×
3 |
4 |
=6.
8 |
13 |
=25%÷[3-(
5 |
13 |
8 |
13 |
=25%÷[3-1],
=25%÷2,
=
1 |
8 |
(3)2.42÷
4 |
3 |
3 |
4 |
=2.42×
3 |
4 |
3 |
4 |
3 |
4 |
=(2.42+4.58+1)×
3 |
4 |
=8×
3 |
4 |
=6.
5 |
13 |
8 |
13 |
=25%÷[3-1],
=25%÷2,
=
1 |
8 |
(3)2.42÷
4 |
3 |
3 |
4 |
=2.42×
3 |
4 |
3 |
4 |
3 |
4 |
=(2.42+4.58+1)×
3 |
4 |
=8×
3 |
4 |
=6.
8 |
13 |
=25%÷[3-1],
=25%÷2,
=
1 |
8 |
(3)2.42÷
4 |
3 |
3 |
4 |
=2.42×
3 |
4 |
3 |
4 |
3 |
4 |
=(2.42+4.58+1)×
3 |
4 |
=8×
3 |
4 |
=6.
1 |
8 |
(3)2.42÷
4 |
3 |
3 |
4 |
=2.42×
3 |
4 |
3 |
4 |
3 |
4 |
=(2.42+4.58+1)×
3 |
4 |
=8×
3 |
4 |
=6. ÷
4 |
3 |
3 |
4 |
=2.42×
3 |
4 |
3 |
4 |
3 |
4 |
=(2.42+4.58+1)×
3 |
4 |
=8×
3 |
4 |
=6.
3 |
4 |
=2.42×
3 |
4 |
3 |
4 |
3 |
4 |
=(2.42+4.58+1)×
3 |
4 |
=8×
3 |
4 |
=6.
3 |
4 |
3 |
4 |
3 |
4 |
=(2.42+4.58+1)×
3 |
4 |
=8×
3 |
4 |
=6.
3 |
4 |
3 |
4 |
=(2.42+4.58+1)×
3 |
4 |
=8×
3 |
4 |
=6. +
3 |
4 |
=(2.42+4.58+1)×
3 |
4 |
=8×
3 |
4 |
=6.
3 |
4 |
=8×
3 |
4 |
=6.
3 |
4 |
=6.
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