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57+56+27+1615×(13+112)14÷(3-513-813).

题目详情
5
7
+
5
6
+
2
7
+
1
6

15×(
1
3
+
1
12
)
1
4
÷(3-
5
13
-
8
13
).
5
7
+
5
6
+
2
7
+
1
6

15×(
1
3
+
1
12
)
1
4
÷(3-
5
13
-
8
13
).
5
7
5577
5
6
5566
2
7
2277
1
6
1166
15×(
1
3
+
1
12
)
1
4
÷(3-
5
13
-
8
13
).
1
3
1133
1
12
111212
1
4
÷(3-
5
13
-
8
13
).
1
4
1144
5
13
551313
8
13
881313
▼优质解答
答案和解析
(1)
5
7
+
5
6
+
2
7
+
1
6

=(
5
7
+
2
7
)+(
5
6
+
1
6

=1+1
=2;

(2)15×(
1
3
+
1
12

=15×
1
3
+15×
1
12

=5+1
1
4

=6
1
4


(3)
1
4
÷(3-
5
13
-
8
13

=
1
4
÷[3-(
5
13
+
8
13
)]
=
1
4
÷[3-1]
=
1
4
÷2
=
1
8
5
7
555777+
5
6
+
2
7
+
1
6

=(
5
7
+
2
7
)+(
5
6
+
1
6

=1+1
=2;

(2)15×(
1
3
+
1
12

=15×
1
3
+15×
1
12

=5+1
1
4

=6
1
4


(3)
1
4
÷(3-
5
13
-
8
13

=
1
4
÷[3-(
5
13
+
8
13
)]
=
1
4
÷[3-1]
=
1
4
÷2
=
1
8
+
5
6
555666+
2
7
+
1
6

=(
5
7
+
2
7
)+(
5
6
+
1
6

=1+1
=2;

(2)15×(
1
3
+
1
12

=15×
1
3
+15×
1
12

=5+1
1
4

=6
1
4


(3)
1
4
÷(3-
5
13
-
8
13

=
1
4
÷[3-(
5
13
+
8
13
)]
=
1
4
÷[3-1]
=
1
4
÷2
=
1
8
+
2
7
222777+
1
6

=(
5
7
+
2
7
)+(
5
6
+
1
6

=1+1
=2;

(2)15×(
1
3
+
1
12

=15×
1
3
+15×
1
12

=5+1
1
4

=6
1
4


(3)
1
4
÷(3-
5
13
-
8
13

=
1
4
÷[3-(
5
13
+
8
13
)]
=
1
4
÷[3-1]
=
1
4
÷2
=
1
8
+
1
6
111666
=(
5
7
+
2
7
)+(
5
6
+
1
6

=1+1
=2;

(2)15×(
1
3
+
1
12

=15×
1
3
+15×
1
12

=5+1
1
4

=6
1
4


(3)
1
4
÷(3-
5
13
-
8
13

=
1
4
÷[3-(
5
13
+
8
13
)]
=
1
4
÷[3-1]
=
1
4
÷2
=
1
8
5
7
555777+
2
7
)+(
5
6
+
1
6

=1+1
=2;

(2)15×(
1
3
+
1
12

=15×
1
3
+15×
1
12

=5+1
1
4

=6
1
4


(3)
1
4
÷(3-
5
13
-
8
13

=
1
4
÷[3-(
5
13
+
8
13
)]
=
1
4
÷[3-1]
=
1
4
÷2
=
1
8
2
7
222777)+(
5
6
+
1
6

=1+1
=2;

(2)15×(
1
3
+
1
12

=15×
1
3
+15×
1
12

=5+1
1
4

=6
1
4


(3)
1
4
÷(3-
5
13
-
8
13

=
1
4
÷[3-(
5
13
+
8
13
)]
=
1
4
÷[3-1]
=
1
4
÷2
=
1
8
5
6
555666+
1
6

=1+1
=2;

(2)15×(
1
3
+
1
12

=15×
1
3
+15×
1
12

=5+1
1
4

=6
1
4


(3)
1
4
÷(3-
5
13
-
8
13

=
1
4
÷[3-(
5
13
+
8
13
)]
=
1
4
÷[3-1]
=
1
4
÷2
=
1
8
1
6
111666)
=1+1
=2;

(2)15×(
1
3
+
1
12

=15×
1
3
+15×
1
12

=5+1
1
4

=6
1
4


(3)
1
4
÷(3-
5
13
-
8
13

=
1
4
÷[3-(
5
13
+
8
13
)]
=
1
4
÷[3-1]
=
1
4
÷2
=
1
8
1
3
111333+
1
12

=15×
1
3
+15×
1
12

=5+1
1
4

=6
1
4


(3)
1
4
÷(3-
5
13
-
8
13

=
1
4
÷[3-(
5
13
+
8
13
)]
=
1
4
÷[3-1]
=
1
4
÷2
=
1
8
1
12
111121212)
=15×
1
3
+15×
1
12

=5+1
1
4

=6
1
4


(3)
1
4
÷(3-
5
13
-
8
13

=
1
4
÷[3-(
5
13
+
8
13
)]
=
1
4
÷[3-1]
=
1
4
÷2
=
1
8
1
3
111333+15×
1
12

=5+1
1
4

=6
1
4


(3)
1
4
÷(3-
5
13
-
8
13

=
1
4
÷[3-(
5
13
+
8
13
)]
=
1
4
÷[3-1]
=
1
4
÷2
=
1
8
1
12
111121212
=5+1
1
4

=6
1
4


(3)
1
4
÷(3-
5
13
-
8
13

=
1
4
÷[3-(
5
13
+
8
13
)]
=
1
4
÷[3-1]
=
1
4
÷2
=
1
8
1
4
111444
=6
1
4


(3)
1
4
÷(3-
5
13
-
8
13

=
1
4
÷[3-(
5
13
+
8
13
)]
=
1
4
÷[3-1]
=
1
4
÷2
=
1
8
1
4
111444;

(3)
1
4
÷(3-
5
13
-
8
13

=
1
4
÷[3-(
5
13
+
8
13
)]
=
1
4
÷[3-1]
=
1
4
÷2
=
1
8
1
4
111444÷(3-
5
13
-
8
13

=
1
4
÷[3-(
5
13
+
8
13
)]
=
1
4
÷[3-1]
=
1
4
÷2
=
1
8
5
13
555131313-
8
13

=
1
4
÷[3-(
5
13
+
8
13
)]
=
1
4
÷[3-1]
=
1
4
÷2
=
1
8
8
13
888131313)
=
1
4
÷[3-(
5
13
+
8
13
)]
=
1
4
÷[3-1]
=
1
4
÷2
=
1
8
1
4
111444÷[3-(
5
13
+
8
13
)]
=
1
4
÷[3-1]
=
1
4
÷2
=
1
8
5
13
555131313+
8
13
)]
=
1
4
÷[3-1]
=
1
4
÷2
=
1
8
8
13
888131313)]
=
1
4
÷[3-1]
=
1
4
÷2
=
1
8
1
4
111444÷[3-1]
=
1
4
÷2
=
1
8
1
4
111444÷2
=
1
8
1
8
111888.