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用简便方法计算:57×98×125×8936×(512−16)14÷(3−513−813)(56−23)÷109.
题目详情
用简便方法计算:
×
×1
×
36×(
−
)
÷(3−
−
) (
−
)÷
.
×
×1
×
×
×1
×
5 5 7 7
9 9 8 8
2 2 5 5
8 8 9 9 36×(
−
)
−
)
5 5 12 12
1 1 6 6
÷(3−
−
)
÷(3−
−
)
1 1 4 4 (3−
−
)
5 5 13 13
8 8 13 13 (
−
)÷
.
−
)÷
.
5 5 6 6
2 2 3 3
.
10 10 9 9
| 36×(
|
| (
|
| 36×(
|
| (
|
5 |
7 |
9 |
8 |
2 |
5 |
8 |
9 |
5 |
12 |
1 |
6 |
1 |
4 |
5 |
13 |
8 |
13 |
5 |
6 |
2 |
3 |
10 |
9 |
5 |
7 |
9 |
8 |
2 |
5 |
8 |
9 |
5 |
7 |
9 |
8 |
2 |
5 |
8 |
9 |
5 |
7 |
9 |
8 |
2 |
5 |
8 |
9 |
5 |
12 |
1 |
6 |
5 |
12 |
1 |
6 |
5 |
12 |
1 |
6 |
1 |
4 |
5 |
13 |
8 |
13 |
1 |
4 |
5 |
13 |
8 |
13 |
1 |
4 |
5 |
13 |
8 |
13 |
5 |
13 |
8 |
13 |
5 |
6 |
2 |
3 |
10 |
9 |
5 |
6 |
2 |
3 |
10 |
9 |
5 |
6 |
2 |
3 |
10 |
9 |
10 |
9 |
▼优质解答
答案和解析
(1)
×
×1
×
,
=(
×
)×(
×
),
=1×1,
=1;
(2)36×(
-
),
=36×
-36×
,
=15-6,
=9.
(3)
÷(3−
−
),
=
÷[3-(
+
)],
=
÷[3-1],
=
÷2,
=
.
(4)(
−
)÷
,
=
×
,
=
.
5 5 57 7 7×
×1
×
,
=(
×
)×(
×
),
=1×1,
=1;
(2)36×(
-
),
=36×
-36×
,
=15-6,
=9.
(3)
÷(3−
−
),
=
÷[3-(
+
)],
=
÷[3-1],
=
÷2,
=
.
(4)(
−
)÷
,
=
×
,
=
.
9 9 98 8 8×1
×
,
=(
×
)×(
×
),
=1×1,
=1;
(2)36×(
-
),
=36×
-36×
,
=15-6,
=9.
(3)
÷(3−
−
),
=
÷[3-(
+
)],
=
÷[3-1],
=
÷2,
=
.
(4)(
−
)÷
,
=
×
,
=
.
2 2 25 5 5×
,
=(
×
)×(
×
),
=1×1,
=1;
(2)36×(
-
),
=36×
-36×
,
=15-6,
=9.
(3)
÷(3−
−
),
=
÷[3-(
+
)],
=
÷[3-1],
=
÷2,
=
.
(4)(
−
)÷
,
=
×
,
=
.
8 8 89 9 9,
=(
×
)×(
×
),
=1×1,
=1;
(2)36×(
-
),
=36×
-36×
,
=15-6,
=9.
(3)
÷(3−
−
),
=
÷[3-(
+
)],
=
÷[3-1],
=
÷2,
=
.
(4)(
−
)÷
,
=
×
,
=
.
5 5 57 7 7×
)×(
×
),
=1×1,
=1;
(2)36×(
-
),
=36×
-36×
,
=15-6,
=9.
(3)
÷(3−
−
),
=
÷[3-(
+
)],
=
÷[3-1],
=
÷2,
=
.
(4)(
−
)÷
,
=
×
,
=
.
7 7 75 5 5)×(
×
),
=1×1,
=1;
(2)36×(
-
),
=36×
-36×
,
=15-6,
=9.
(3)
÷(3−
−
),
=
÷[3-(
+
)],
=
÷[3-1],
=
÷2,
=
.
(4)(
−
)÷
,
=
×
,
=
.
9 9 98 8 8×
),
=1×1,
=1;
(2)36×(
-
),
=36×
-36×
,
=15-6,
=9.
(3)
÷(3−
−
),
=
÷[3-(
+
)],
=
÷[3-1],
=
÷2,
=
.
(4)(
−
)÷
,
=
×
,
=
.
8 8 89 9 9),
=1×1,
=1;
(2)36×(
-
),
=36×
-36×
,
=15-6,
=9.
(3)
÷(3−
−
),
=
÷[3-(
+
)],
=
÷[3-1],
=
÷2,
=
.
(4)(
−
)÷
,
=
×
,
=
.
5 5 512 12 12-
),
=36×
-36×
,
=15-6,
=9.
(3)
÷(3−
−
),
=
÷[3-(
+
)],
=
÷[3-1],
=
÷2,
=
.
(4)(
−
)÷
,
=
×
,
=
.
1 1 16 6 6),
=36×
-36×
,
=15-6,
=9.
(3)
÷(3−
−
),
=
÷[3-(
+
)],
=
÷[3-1],
=
÷2,
=
.
(4)(
−
)÷
,
=
×
,
=
.
5 5 512 12 12-36×
,
=15-6,
=9.
(3)
÷(3−
−
),
=
÷[3-(
+
)],
=
÷[3-1],
=
÷2,
=
.
(4)(
−
)÷
,
=
×
,
=
.
1 1 16 6 6,
=15-6,
=9.
(3)
÷(3−
−
),
=
÷[3-(
+
)],
=
÷[3-1],
=
÷2,
=
.
(4)(
−
)÷
,
=
×
,
=
.
1 1 14 4 4÷(3−
−
),
=
÷[3-(
+
)],
=
÷[3-1],
=
÷2,
=
.
(4)(
−
)÷
,
=
×
,
=
. (3−
5 5 513 13 13−
8 8 813 13 13),
=
÷[3-(
+
)],
=
÷[3-1],
=
÷2,
=
.
(4)(
−
)÷
,
=
×
,
=
.
1 1 14 4 4÷[3-(
+
)],
=
÷[3-1],
=
÷2,
=
.
(4)(
−
)÷
,
=
×
,
=
.
5 5 513 13 13+
8 8 813 13 13)],
=
÷[3-1],
=
÷2,
=
.
(4)(
−
)÷
,
=
×
,
=
.
1 1 14 4 4÷[3-1],
=
÷2,
=
.
(4)(
−
)÷
,
=
×
,
=
.
1 1 14 4 4÷2,
=
.
(4)(
−
)÷
,
=
×
,
=
.
1 1 18 8 8.
(4)(
−
)÷
,
=
×
,
=
.
5 5 56 6 6−
2 2 23 3 3)÷
,
=
×
,
=
.
10 10 109 9 9,
=
×
,
=
.
1 1 16 6 6×
,
=
.
9 9 910 10 10,
=
.
3 3 320 20 20.
5 |
7 |
9 |
8 |
2 |
5 |
8 |
9 |
=(
5 |
7 |
7 |
5 |
9 |
8 |
8 |
9 |
=1×1,
=1;
(2)36×(
5 |
12 |
1 |
6 |
=36×
5 |
12 |
1 |
6 |
=15-6,
=9.
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
(4)(
5 |
6 |
2 |
3 |
10 |
9 |
=
1 |
6 |
9 |
10 |
=
3 |
20 |
5 |
7 |
9 |
8 |
2 |
5 |
8 |
9 |
=(
5 |
7 |
7 |
5 |
9 |
8 |
8 |
9 |
=1×1,
=1;
(2)36×(
5 |
12 |
1 |
6 |
=36×
5 |
12 |
1 |
6 |
=15-6,
=9.
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
(4)(
5 |
6 |
2 |
3 |
10 |
9 |
=
1 |
6 |
9 |
10 |
=
3 |
20 |
9 |
8 |
2 |
5 |
8 |
9 |
=(
5 |
7 |
7 |
5 |
9 |
8 |
8 |
9 |
=1×1,
=1;
(2)36×(
5 |
12 |
1 |
6 |
=36×
5 |
12 |
1 |
6 |
=15-6,
=9.
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
(4)(
5 |
6 |
2 |
3 |
10 |
9 |
=
1 |
6 |
9 |
10 |
=
3 |
20 |
2 |
5 |
8 |
9 |
=(
5 |
7 |
7 |
5 |
9 |
8 |
8 |
9 |
=1×1,
=1;
(2)36×(
5 |
12 |
1 |
6 |
=36×
5 |
12 |
1 |
6 |
=15-6,
=9.
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
(4)(
5 |
6 |
2 |
3 |
10 |
9 |
=
1 |
6 |
9 |
10 |
=
3 |
20 |
8 |
9 |
=(
5 |
7 |
7 |
5 |
9 |
8 |
8 |
9 |
=1×1,
=1;
(2)36×(
5 |
12 |
1 |
6 |
=36×
5 |
12 |
1 |
6 |
=15-6,
=9.
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
(4)(
5 |
6 |
2 |
3 |
10 |
9 |
=
1 |
6 |
9 |
10 |
=
3 |
20 |
5 |
7 |
7 |
5 |
9 |
8 |
8 |
9 |
=1×1,
=1;
(2)36×(
5 |
12 |
1 |
6 |
=36×
5 |
12 |
1 |
6 |
=15-6,
=9.
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
(4)(
5 |
6 |
2 |
3 |
10 |
9 |
=
1 |
6 |
9 |
10 |
=
3 |
20 |
7 |
5 |
9 |
8 |
8 |
9 |
=1×1,
=1;
(2)36×(
5 |
12 |
1 |
6 |
=36×
5 |
12 |
1 |
6 |
=15-6,
=9.
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
(4)(
5 |
6 |
2 |
3 |
10 |
9 |
=
1 |
6 |
9 |
10 |
=
3 |
20 |
9 |
8 |
8 |
9 |
=1×1,
=1;
(2)36×(
5 |
12 |
1 |
6 |
=36×
5 |
12 |
1 |
6 |
=15-6,
=9.
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
(4)(
5 |
6 |
2 |
3 |
10 |
9 |
=
1 |
6 |
9 |
10 |
=
3 |
20 |
8 |
9 |
=1×1,
=1;
(2)36×(
5 |
12 |
1 |
6 |
=36×
5 |
12 |
1 |
6 |
=15-6,
=9.
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
(4)(
5 |
6 |
2 |
3 |
10 |
9 |
=
1 |
6 |
9 |
10 |
=
3 |
20 |
5 |
12 |
1 |
6 |
=36×
5 |
12 |
1 |
6 |
=15-6,
=9.
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
(4)(
5 |
6 |
2 |
3 |
10 |
9 |
=
1 |
6 |
9 |
10 |
=
3 |
20 |
1 |
6 |
=36×
5 |
12 |
1 |
6 |
=15-6,
=9.
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
(4)(
5 |
6 |
2 |
3 |
10 |
9 |
=
1 |
6 |
9 |
10 |
=
3 |
20 |
5 |
12 |
1 |
6 |
=15-6,
=9.
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
(4)(
5 |
6 |
2 |
3 |
10 |
9 |
=
1 |
6 |
9 |
10 |
=
3 |
20 |
1 |
6 |
=15-6,
=9.
(3)
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
(4)(
5 |
6 |
2 |
3 |
10 |
9 |
=
1 |
6 |
9 |
10 |
=
3 |
20 |
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
(4)(
5 |
6 |
2 |
3 |
10 |
9 |
=
1 |
6 |
9 |
10 |
=
3 |
20 |
5 |
13 |
8 |
13 |
=
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
(4)(
5 |
6 |
2 |
3 |
10 |
9 |
=
1 |
6 |
9 |
10 |
=
3 |
20 |
1 |
4 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
(4)(
5 |
6 |
2 |
3 |
10 |
9 |
=
1 |
6 |
9 |
10 |
=
3 |
20 |
5 |
13 |
8 |
13 |
=
1 |
4 |
=
1 |
4 |
=
1 |
8 |
(4)(
5 |
6 |
2 |
3 |
10 |
9 |
=
1 |
6 |
9 |
10 |
=
3 |
20 |
1 |
4 |
=
1 |
4 |
=
1 |
8 |
(4)(
5 |
6 |
2 |
3 |
10 |
9 |
=
1 |
6 |
9 |
10 |
=
3 |
20 |
1 |
4 |
=
1 |
8 |
(4)(
5 |
6 |
2 |
3 |
10 |
9 |
=
1 |
6 |
9 |
10 |
=
3 |
20 |
1 |
8 |
(4)(
5 |
6 |
2 |
3 |
10 |
9 |
=
1 |
6 |
9 |
10 |
=
3 |
20 |
5 |
6 |
2 |
3 |
10 |
9 |
=
1 |
6 |
9 |
10 |
=
3 |
20 |
10 |
9 |
=
1 |
6 |
9 |
10 |
=
3 |
20 |
1 |
6 |
9 |
10 |
=
3 |
20 |
9 |
10 |
=
3 |
20 |
3 |
20 |
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