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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 |
5 |
13 |
8 |
13 |
5 |
7 |
5 |
6 |
2 |
7 |
1 |
6 |
15×(
1 |
3 |
1 |
12 |
1 |
4 |
5 |
13 |
8 |
13 |
5 |
7 |
5 |
6 |
2 |
7 |
1 |
6 |
15×(
1 |
3 |
1 |
12 |
1 |
4 |
5 |
13 |
8 |
13 |
1 |
3 |
1 |
12 |
1 |
4 |
5 |
13 |
8 |
13 |
1 |
4 |
5 |
13 |
8 |
13 |
▼优质解答
答案和解析
(1)
+
+
+
=(
+
)+(
+
)
=1+1
=2;
(2)15×(
+
)
=15×
+15×
=5+1
=6
;
(3)
÷(3-
-
)
=
÷[3-(
+
)]
=
÷[3-1]
=
÷2
=
.
5 5 57 7 7+
+
+
=(
+
)+(
+
)
=1+1
=2;
(2)15×(
+
)
=15×
+15×
=5+1
=6
;
(3)
÷(3-
-
)
=
÷[3-(
+
)]
=
÷[3-1]
=
÷2
=
. +
5 5 56 6 6+
+
=(
+
)+(
+
)
=1+1
=2;
(2)15×(
+
)
=15×
+15×
=5+1
=6
;
(3)
÷(3-
-
)
=
÷[3-(
+
)]
=
÷[3-1]
=
÷2
=
. +
2 2 27 7 7+
=(
+
)+(
+
)
=1+1
=2;
(2)15×(
+
)
=15×
+15×
=5+1
=6
;
(3)
÷(3-
-
)
=
÷[3-(
+
)]
=
÷[3-1]
=
÷2
=
. +
1 1 16 6 6
=(
+
)+(
+
)
=1+1
=2;
(2)15×(
+
)
=15×
+15×
=5+1
=6
;
(3)
÷(3-
-
)
=
÷[3-(
+
)]
=
÷[3-1]
=
÷2
=
.
5 5 57 7 7+
)+(
+
)
=1+1
=2;
(2)15×(
+
)
=15×
+15×
=5+1
=6
;
(3)
÷(3-
-
)
=
÷[3-(
+
)]
=
÷[3-1]
=
÷2
=
.
2 2 27 7 7)+(
+
)
=1+1
=2;
(2)15×(
+
)
=15×
+15×
=5+1
=6
;
(3)
÷(3-
-
)
=
÷[3-(
+
)]
=
÷[3-1]
=
÷2
=
.
5 5 56 6 6+
)
=1+1
=2;
(2)15×(
+
)
=15×
+15×
=5+1
=6
;
(3)
÷(3-
-
)
=
÷[3-(
+
)]
=
÷[3-1]
=
÷2
=
.
1 1 16 6 6)
=1+1
=2;
(2)15×(
+
)
=15×
+15×
=5+1
=6
;
(3)
÷(3-
-
)
=
÷[3-(
+
)]
=
÷[3-1]
=
÷2
=
.
1 1 13 3 3+
)
=15×
+15×
=5+1
=6
;
(3)
÷(3-
-
)
=
÷[3-(
+
)]
=
÷[3-1]
=
÷2
=
.
1 1 112 12 12)
=15×
+15×
=5+1
=6
;
(3)
÷(3-
-
)
=
÷[3-(
+
)]
=
÷[3-1]
=
÷2
=
.
1 1 13 3 3+15×
=5+1
=6
;
(3)
÷(3-
-
)
=
÷[3-(
+
)]
=
÷[3-1]
=
÷2
=
.
1 1 112 12 12
=5+1
=6
;
(3)
÷(3-
-
)
=
÷[3-(
+
)]
=
÷[3-1]
=
÷2
=
.
1 1 14 4 4
=6
;
(3)
÷(3-
-
)
=
÷[3-(
+
)]
=
÷[3-1]
=
÷2
=
.
1 1 14 4 4;
(3)
÷(3-
-
)
=
÷[3-(
+
)]
=
÷[3-1]
=
÷2
=
.
1 1 14 4 4÷(3-
-
)
=
÷[3-(
+
)]
=
÷[3-1]
=
÷2
=
.
5 5 513 13 13-
)
=
÷[3-(
+
)]
=
÷[3-1]
=
÷2
=
.
8 8 813 13 13)
=
÷[3-(
+
)]
=
÷[3-1]
=
÷2
=
.
1 1 14 4 4÷[3-(
+
)]
=
÷[3-1]
=
÷2
=
.
5 5 513 13 13+
)]
=
÷[3-1]
=
÷2
=
.
8 8 813 13 13)]
=
÷[3-1]
=
÷2
=
.
1 1 14 4 4÷[3-1]
=
÷2
=
.
1 1 14 4 4÷2
=
.
1 1 18 8 8.
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 |
1 |
12 |
=5+1
1 |
4 |
=6
1 |
4 |
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
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 |
1 |
12 |
=5+1
1 |
4 |
=6
1 |
4 |
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
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 |
1 |
12 |
=5+1
1 |
4 |
=6
1 |
4 |
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
2 |
7 |
1 |
6 |
=(
5 |
7 |
2 |
7 |
5 |
6 |
1 |
6 |
=1+1
=2;
(2)15×(
1 |
3 |
1 |
12 |
=15×
1 |
3 |
1 |
12 |
=5+1
1 |
4 |
=6
1 |
4 |
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
1 |
6 |
=(
5 |
7 |
2 |
7 |
5 |
6 |
1 |
6 |
=1+1
=2;
(2)15×(
1 |
3 |
1 |
12 |
=15×
1 |
3 |
1 |
12 |
=5+1
1 |
4 |
=6
1 |
4 |
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
5 |
7 |
2 |
7 |
5 |
6 |
1 |
6 |
=1+1
=2;
(2)15×(
1 |
3 |
1 |
12 |
=15×
1 |
3 |
1 |
12 |
=5+1
1 |
4 |
=6
1 |
4 |
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
2 |
7 |
5 |
6 |
1 |
6 |
=1+1
=2;
(2)15×(
1 |
3 |
1 |
12 |
=15×
1 |
3 |
1 |
12 |
=5+1
1 |
4 |
=6
1 |
4 |
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
5 |
6 |
1 |
6 |
=1+1
=2;
(2)15×(
1 |
3 |
1 |
12 |
=15×
1 |
3 |
1 |
12 |
=5+1
1 |
4 |
=6
1 |
4 |
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
1 |
6 |
=1+1
=2;
(2)15×(
1 |
3 |
1 |
12 |
=15×
1 |
3 |
1 |
12 |
=5+1
1 |
4 |
=6
1 |
4 |
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
1 |
3 |
1 |
12 |
=15×
1 |
3 |
1 |
12 |
=5+1
1 |
4 |
=6
1 |
4 |
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
1 |
12 |
=15×
1 |
3 |
1 |
12 |
=5+1
1 |
4 |
=6
1 |
4 |
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
1 |
3 |
1 |
12 |
=5+1
1 |
4 |
=6
1 |
4 |
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
1 |
12 |
=5+1
1 |
4 |
=6
1 |
4 |
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
1 |
4 |
=6
1 |
4 |
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
1 |
4 |
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
1 |
4 |
=
1 |
4 |
=
1 |
8 |
1 |
4 |
=
1 |
8 |
1 |
8 |
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