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脱式计算(能简便的要用简便方法计算)(1)16+15+13(2)712+16-14(3)811+715-815(4)7-(34−15)(5)45−(415+13)(6)47+521−47+221.
题目详情
脱式计算(能简便的要用简便方法计算)
(1)
+
+
(2)
+
-
(3)
+
-
(1)
+
+
+
+
1 1 6 6
+
1 1 5 5
1 1 3 3 (2)
+
-
+
-
7 7 12 12
-
1 1 6 6
1 1 4 4 (3)
+
-
+
-
8 8 11 11
-
7 7 15 15
8 8 15 15 (4)7-(
−
) (5)
−(
+
) (6)
+
−
+
. (4)7-(
−
)
−
)
3 3 4 4
1 1 5 5 (5)
−(
+
)
−(
+
)
4 4 5 5
4 4 15 15
1 1 3 3 (6)
+
−
+
.
+
−
+
.
4 4 7 7
5 5 21 21
4 4 7 7
2 2 21 21
(1)
| (2)
| (3)
| ||||||||||||||||||
(4)7-(
| (5)
| (6)
|
(1)
| (2)
| (3)
| ||||||||||||||||||
(4)7-(
| (5)
| (6)
|
1 |
6 |
1 |
5 |
1 |
3 |
7 |
12 |
1 |
6 |
1 |
4 |
8 |
11 |
7 |
15 |
8 |
15 |
1 |
6 |
1 |
5 |
1 |
3 |
1 |
6 |
1 |
5 |
1 |
3 |
1 |
6 |
1 |
5 |
1 |
3 |
1 |
5 |
1 |
3 |
1 |
3 |
7 |
12 |
1 |
6 |
1 |
4 |
7 |
12 |
1 |
6 |
1 |
4 |
7 |
12 |
1 |
6 |
1 |
4 |
1 |
6 |
1 |
4 |
1 |
4 |
8 |
11 |
7 |
15 |
8 |
15 |
8 |
11 |
7 |
15 |
8 |
15 |
8 |
11 |
7 |
15 |
8 |
15 |
7 |
15 |
8 |
15 |
8 |
15 |
3 |
4 |
1 |
5 |
4 |
5 |
4 |
15 |
1 |
3 |
4 |
7 |
5 |
21 |
4 |
7 |
2 |
21 |
3 |
4 |
1 |
5 |
3 |
4 |
1 |
5 |
3 |
4 |
1 |
5 |
4 |
5 |
4 |
15 |
1 |
3 |
4 |
5 |
4 |
15 |
1 |
3 |
4 |
5 |
4 |
15 |
1 |
3 |
4 |
7 |
5 |
21 |
4 |
7 |
2 |
21 |
4 |
7 |
5 |
21 |
4 |
7 |
2 |
21 |
4 |
7 |
5 |
21 |
4 |
7 |
2 |
21 |
▼优质解答
答案和解析
(1)
+
+
,
=
+
,
=
;
(2)
+
-
,
=
+
,
=1;
(3)
+
-
,
=
−
,
=
;
(4)7-(
−
),
=7-
,
=6
;
(5)
−(
+
),
=
−
,
=
;
(6)
+
−
+
,
=(
−
)+(
+
),
=0+
1 1 16 6 6+
+
,
=
+
,
=
;
(2)
+
-
,
=
+
,
=1;
(3)
+
-
,
=
−
,
=
;
(4)7-(
−
),
=7-
,
=6
;
(5)
−(
+
),
=
−
,
=
;
(6)
+
−
+
,
=(
−
)+(
+
),
=0+
1 1 15 5 5+
,
=
+
,
=
;
(2)
+
-
,
=
+
,
=1;
(3)
+
-
,
=
−
,
=
;
(4)7-(
−
),
=7-
,
=6
;
(5)
−(
+
),
=
−
,
=
;
(6)
+
−
+
,
=(
−
)+(
+
),
=0+
1 1 13 3 3,
=
+
,
=
;
(2)
+
-
,
=
+
,
=1;
(3)
+
-
,
=
−
,
=
;
(4)7-(
−
),
=7-
,
=6
;
(5)
−(
+
),
=
−
,
=
;
(6)
+
−
+
,
=(
−
)+(
+
),
=0+
11 11 1130 30 30+
1 1 13 3 3,
=
;
(2)
+
-
,
=
+
,
=1;
(3)
+
-
,
=
−
,
=
;
(4)7-(
−
),
=7-
,
=6
;
(5)
−(
+
),
=
−
,
=
;
(6)
+
−
+
,
=(
−
)+(
+
),
=0+
7 7 710 10 10;
(2)
+
-
,
=
+
,
=1;
(3)
+
-
,
=
−
,
=
;
(4)7-(
−
),
=7-
,
=6
;
(5)
−(
+
),
=
−
,
=
;
(6)
+
−
+
,
=(
−
)+(
+
),
=0+
7 7 712 12 12+
-
,
=
+
,
=1;
(3)
+
-
,
=
−
,
=
;
(4)7-(
−
),
=7-
,
=6
;
(5)
−(
+
),
=
−
,
=
;
(6)
+
−
+
,
=(
−
)+(
+
),
=0+
1 1 16 6 6-
,
=
+
,
=1;
(3)
+
-
,
=
−
,
=
;
(4)7-(
−
),
=7-
,
=6
;
(5)
−(
+
),
=
−
,
=
;
(6)
+
−
+
,
=(
−
)+(
+
),
=0+
1 1 14 4 4,
=
+
,
=1;
(3)
+
-
,
=
−
,
=
;
(4)7-(
−
),
=7-
,
=6
;
(5)
−(
+
),
=
−
,
=
;
(6)
+
−
+
,
=(
−
)+(
+
),
=0+
3 3 34 4 4+
1 1 14 4 4,
=1;
(3)
+
-
,
=
−
,
=
;
(4)7-(
−
),
=7-
,
=6
;
(5)
−(
+
),
=
−
,
=
;
(6)
+
−
+
,
=(
−
)+(
+
),
=0+
8 8 811 11 11+
-
,
=
−
,
=
;
(4)7-(
−
),
=7-
,
=6
;
(5)
−(
+
),
=
−
,
=
;
(6)
+
−
+
,
=(
−
)+(
+
),
=0+
7 7 715 15 15-
,
=
−
,
=
;
(4)7-(
−
),
=7-
,
=6
;
(5)
−(
+
),
=
−
,
=
;
(6)
+
−
+
,
=(
−
)+(
+
),
=0+
8 8 815 15 15,
=
−
,
=
;
(4)7-(
−
),
=7-
,
=6
;
(5)
−(
+
),
=
−
,
=
;
(6)
+
−
+
,
=(
−
)+(
+
),
=0+
8 8 811 11 11−
1 1 115 15 15,
=
;
(4)7-(
−
),
=7-
,
=6
;
(5)
−(
+
),
=
−
,
=
;
(6)
+
−
+
,
=(
−
)+(
+
),
=0+
109 109 109165 165 165;
(4)7-(
−
),
=7-
,
=6
;
(5)
−(
+
),
=
−
,
=
;
(6)
+
−
+
,
=(
−
)+(
+
),
=0+
3 3 34 4 4−
1 1 15 5 5),
=7-
,
=6
;
(5)
−(
+
),
=
−
,
=
;
(6)
+
−
+
,
=(
−
)+(
+
),
=0+
11 11 1120 20 20,
=6
;
(5)
−(
+
),
=
−
,
=
;
(6)
+
−
+
,
=(
−
)+(
+
),
=0+
9 9 920 20 20;
(5)
−(
+
),
=
−
,
=
;
(6)
+
−
+
,
=(
−
)+(
+
),
=0+
4 4 45 5 5−(
4 4 415 15 15+
1 1 13 3 3),
=
−
,
=
;
(6)
+
−
+
,
=(
−
)+(
+
),
=0+
4 4 45 5 5−
9 9 915 15 15,
=
;
(6)
+
−
+
,
=(
−
)+(
+
),
=0+
1 1 15 5 5;
(6)
+
−
+
,
=(
−
)+(
+
),
=0+
4 4 47 7 7+
5 5 521 21 21−
4 4 47 7 7+
2 2 221 21 21,
=(
−
)+(
+
),
=0+
4 4 47 7 7−
4 4 47 7 7)+(
+
),
=0+
5 5 521 21 21+
2 2 221 21 21),
=0+
1 |
6 |
1 |
5 |
1 |
3 |
=
11 |
30 |
1 |
3 |
=
7 |
10 |
(2)
7 |
12 |
1 |
6 |
1 |
4 |
=
3 |
4 |
1 |
4 |
=1;
(3)
8 |
11 |
7 |
15 |
8 |
15 |
=
8 |
11 |
1 |
15 |
=
109 |
165 |
(4)7-(
3 |
4 |
1 |
5 |
=7-
11 |
20 |
=6
9 |
20 |
(5)
4 |
5 |
4 |
15 |
1 |
3 |
=
4 |
5 |
9 |
15 |
=
1 |
5 |
(6)
4 |
7 |
5 |
21 |
4 |
7 |
2 |
21 |
=(
4 |
7 |
4 |
7 |
5 |
21 |
2 |
21 |
=0+
1 |
6 |
1 |
5 |
1 |
3 |
=
11 |
30 |
1 |
3 |
=
7 |
10 |
(2)
7 |
12 |
1 |
6 |
1 |
4 |
=
3 |
4 |
1 |
4 |
=1;
(3)
8 |
11 |
7 |
15 |
8 |
15 |
=
8 |
11 |
1 |
15 |
=
109 |
165 |
(4)7-(
3 |
4 |
1 |
5 |
=7-
11 |
20 |
=6
9 |
20 |
(5)
4 |
5 |
4 |
15 |
1 |
3 |
=
4 |
5 |
9 |
15 |
=
1 |
5 |
(6)
4 |
7 |
5 |
21 |
4 |
7 |
2 |
21 |
=(
4 |
7 |
4 |
7 |
5 |
21 |
2 |
21 |
=0+
1 |
5 |
1 |
3 |
=
11 |
30 |
1 |
3 |
=
7 |
10 |
(2)
7 |
12 |
1 |
6 |
1 |
4 |
=
3 |
4 |
1 |
4 |
=1;
(3)
8 |
11 |
7 |
15 |
8 |
15 |
=
8 |
11 |
1 |
15 |
=
109 |
165 |
(4)7-(
3 |
4 |
1 |
5 |
=7-
11 |
20 |
=6
9 |
20 |
(5)
4 |
5 |
4 |
15 |
1 |
3 |
=
4 |
5 |
9 |
15 |
=
1 |
5 |
(6)
4 |
7 |
5 |
21 |
4 |
7 |
2 |
21 |
=(
4 |
7 |
4 |
7 |
5 |
21 |
2 |
21 |
=0+
1 |
3 |
=
11 |
30 |
1 |
3 |
=
7 |
10 |
(2)
7 |
12 |
1 |
6 |
1 |
4 |
=
3 |
4 |
1 |
4 |
=1;
(3)
8 |
11 |
7 |
15 |
8 |
15 |
=
8 |
11 |
1 |
15 |
=
109 |
165 |
(4)7-(
3 |
4 |
1 |
5 |
=7-
11 |
20 |
=6
9 |
20 |
(5)
4 |
5 |
4 |
15 |
1 |
3 |
=
4 |
5 |
9 |
15 |
=
1 |
5 |
(6)
4 |
7 |
5 |
21 |
4 |
7 |
2 |
21 |
=(
4 |
7 |
4 |
7 |
5 |
21 |
2 |
21 |
=0+
11 |
30 |
1 |
3 |
=
7 |
10 |
(2)
7 |
12 |
1 |
6 |
1 |
4 |
=
3 |
4 |
1 |
4 |
=1;
(3)
8 |
11 |
7 |
15 |
8 |
15 |
=
8 |
11 |
1 |
15 |
=
109 |
165 |
(4)7-(
3 |
4 |
1 |
5 |
=7-
11 |
20 |
=6
9 |
20 |
(5)
4 |
5 |
4 |
15 |
1 |
3 |
=
4 |
5 |
9 |
15 |
=
1 |
5 |
(6)
4 |
7 |
5 |
21 |
4 |
7 |
2 |
21 |
=(
4 |
7 |
4 |
7 |
5 |
21 |
2 |
21 |
=0+
7 |
10 |
(2)
7 |
12 |
1 |
6 |
1 |
4 |
=
3 |
4 |
1 |
4 |
=1;
(3)
8 |
11 |
7 |
15 |
8 |
15 |
=
8 |
11 |
1 |
15 |
=
109 |
165 |
(4)7-(
3 |
4 |
1 |
5 |
=7-
11 |
20 |
=6
9 |
20 |
(5)
4 |
5 |
4 |
15 |
1 |
3 |
=
4 |
5 |
9 |
15 |
=
1 |
5 |
(6)
4 |
7 |
5 |
21 |
4 |
7 |
2 |
21 |
=(
4 |
7 |
4 |
7 |
5 |
21 |
2 |
21 |
=0+
7 |
12 |
1 |
6 |
1 |
4 |
=
3 |
4 |
1 |
4 |
=1;
(3)
8 |
11 |
7 |
15 |
8 |
15 |
=
8 |
11 |
1 |
15 |
=
109 |
165 |
(4)7-(
3 |
4 |
1 |
5 |
=7-
11 |
20 |
=6
9 |
20 |
(5)
4 |
5 |
4 |
15 |
1 |
3 |
=
4 |
5 |
9 |
15 |
=
1 |
5 |
(6)
4 |
7 |
5 |
21 |
4 |
7 |
2 |
21 |
=(
4 |
7 |
4 |
7 |
5 |
21 |
2 |
21 |
=0+
1 |
6 |
1 |
4 |
=
3 |
4 |
1 |
4 |
=1;
(3)
8 |
11 |
7 |
15 |
8 |
15 |
=
8 |
11 |
1 |
15 |
=
109 |
165 |
(4)7-(
3 |
4 |
1 |
5 |
=7-
11 |
20 |
=6
9 |
20 |
(5)
4 |
5 |
4 |
15 |
1 |
3 |
=
4 |
5 |
9 |
15 |
=
1 |
5 |
(6)
4 |
7 |
5 |
21 |
4 |
7 |
2 |
21 |
=(
4 |
7 |
4 |
7 |
5 |
21 |
2 |
21 |
=0+
1 |
4 |
=
3 |
4 |
1 |
4 |
=1;
(3)
8 |
11 |
7 |
15 |
8 |
15 |
=
8 |
11 |
1 |
15 |
=
109 |
165 |
(4)7-(
3 |
4 |
1 |
5 |
=7-
11 |
20 |
=6
9 |
20 |
(5)
4 |
5 |
4 |
15 |
1 |
3 |
=
4 |
5 |
9 |
15 |
=
1 |
5 |
(6)
4 |
7 |
5 |
21 |
4 |
7 |
2 |
21 |
=(
4 |
7 |
4 |
7 |
5 |
21 |
2 |
21 |
=0+
3 |
4 |
1 |
4 |
=1;
(3)
8 |
11 |
7 |
15 |
8 |
15 |
=
8 |
11 |
1 |
15 |
=
109 |
165 |
(4)7-(
3 |
4 |
1 |
5 |
=7-
11 |
20 |
=6
9 |
20 |
(5)
4 |
5 |
4 |
15 |
1 |
3 |
=
4 |
5 |
9 |
15 |
=
1 |
5 |
(6)
4 |
7 |
5 |
21 |
4 |
7 |
2 |
21 |
=(
4 |
7 |
4 |
7 |
5 |
21 |
2 |
21 |
=0+
8 |
11 |
7 |
15 |
8 |
15 |
=
8 |
11 |
1 |
15 |
=
109 |
165 |
(4)7-(
3 |
4 |
1 |
5 |
=7-
11 |
20 |
=6
9 |
20 |
(5)
4 |
5 |
4 |
15 |
1 |
3 |
=
4 |
5 |
9 |
15 |
=
1 |
5 |
(6)
4 |
7 |
5 |
21 |
4 |
7 |
2 |
21 |
=(
4 |
7 |
4 |
7 |
5 |
21 |
2 |
21 |
=0+
7 |
15 |
8 |
15 |
=
8 |
11 |
1 |
15 |
=
109 |
165 |
(4)7-(
3 |
4 |
1 |
5 |
=7-
11 |
20 |
=6
9 |
20 |
(5)
4 |
5 |
4 |
15 |
1 |
3 |
=
4 |
5 |
9 |
15 |
=
1 |
5 |
(6)
4 |
7 |
5 |
21 |
4 |
7 |
2 |
21 |
=(
4 |
7 |
4 |
7 |
5 |
21 |
2 |
21 |
=0+
8 |
15 |
=
8 |
11 |
1 |
15 |
=
109 |
165 |
(4)7-(
3 |
4 |
1 |
5 |
=7-
11 |
20 |
=6
9 |
20 |
(5)
4 |
5 |
4 |
15 |
1 |
3 |
=
4 |
5 |
9 |
15 |
=
1 |
5 |
(6)
4 |
7 |
5 |
21 |
4 |
7 |
2 |
21 |
=(
4 |
7 |
4 |
7 |
5 |
21 |
2 |
21 |
=0+
8 |
11 |
1 |
15 |
=
109 |
165 |
(4)7-(
3 |
4 |
1 |
5 |
=7-
11 |
20 |
=6
9 |
20 |
(5)
4 |
5 |
4 |
15 |
1 |
3 |
=
4 |
5 |
9 |
15 |
=
1 |
5 |
(6)
4 |
7 |
5 |
21 |
4 |
7 |
2 |
21 |
=(
4 |
7 |
4 |
7 |
5 |
21 |
2 |
21 |
=0+
109 |
165 |
(4)7-(
3 |
4 |
1 |
5 |
=7-
11 |
20 |
=6
9 |
20 |
(5)
4 |
5 |
4 |
15 |
1 |
3 |
=
4 |
5 |
9 |
15 |
=
1 |
5 |
(6)
4 |
7 |
5 |
21 |
4 |
7 |
2 |
21 |
=(
4 |
7 |
4 |
7 |
5 |
21 |
2 |
21 |
=0+
3 |
4 |
1 |
5 |
=7-
11 |
20 |
=6
9 |
20 |
(5)
4 |
5 |
4 |
15 |
1 |
3 |
=
4 |
5 |
9 |
15 |
=
1 |
5 |
(6)
4 |
7 |
5 |
21 |
4 |
7 |
2 |
21 |
=(
4 |
7 |
4 |
7 |
5 |
21 |
2 |
21 |
=0+
11 |
20 |
=6
9 |
20 |
(5)
4 |
5 |
4 |
15 |
1 |
3 |
=
4 |
5 |
9 |
15 |
=
1 |
5 |
(6)
4 |
7 |
5 |
21 |
4 |
7 |
2 |
21 |
=(
4 |
7 |
4 |
7 |
5 |
21 |
2 |
21 |
=0+
9 |
20 |
(5)
4 |
5 |
4 |
15 |
1 |
3 |
=
4 |
5 |
9 |
15 |
=
1 |
5 |
(6)
4 |
7 |
5 |
21 |
4 |
7 |
2 |
21 |
=(
4 |
7 |
4 |
7 |
5 |
21 |
2 |
21 |
=0+
4 |
5 |
4 |
15 |
1 |
3 |
=
4 |
5 |
9 |
15 |
=
1 |
5 |
(6)
4 |
7 |
5 |
21 |
4 |
7 |
2 |
21 |
=(
4 |
7 |
4 |
7 |
5 |
21 |
2 |
21 |
=0+
4 |
5 |
9 |
15 |
=
1 |
5 |
(6)
4 |
7 |
5 |
21 |
4 |
7 |
2 |
21 |
=(
4 |
7 |
4 |
7 |
5 |
21 |
2 |
21 |
=0+
1 |
5 |
(6)
4 |
7 |
5 |
21 |
4 |
7 |
2 |
21 |
=(
4 |
7 |
4 |
7 |
5 |
21 |
2 |
21 |
=0+
4 |
7 |
5 |
21 |
4 |
7 |
2 |
21 |
=(
4 |
7 |
4 |
7 |
5 |
21 |
2 |
21 |
=0+
4 |
7 |
4 |
7 |
5 |
21 |
2 |
21 |
=0+
5 |
21 |
2 |
21 |
=0+
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