早教吧作业答案频道 -->其他-->
计算下列各题,要写出主要计算过程,能用简便方法的要用简便方法计算.①16×18-120÷15②3.2×2.77+0.23×3.2③7.6-2.05÷0.82④78-517+98-1217⑤29-716×29⑥13÷(14+56)×34.
题目详情
计算下列各题,要写出主要计算过程,能用简便方法的要用简便方法计算.
①16×18-120÷15 ②3.2×2.77+0.23×3.2 ③7.6-2.05÷0.82 ①16×18-120÷15 ②3.2×2.77+0.23×3.2 ③7.6-2.05÷0.82 ④
-
+
-
⑤
-
×
⑥13÷(
+
)×
. ④
-
+
-
-
+
-
7 7 8 8
+
-
5 5 17 17
-
9 9 8 8
12 12 17 17 ⑤
-
×
-
×
2 2 9 9
×
7 7 16 16
2 2 9 9 ⑥13÷(
+
)×
.
+
)×
.
1 1 4 4
)×
.
5 5 6 6
.
3 3 4 4
①16×18-120÷15 | ②3.2×2.77+0.23×3.2 | ③7.6-2.05÷0.82 | ||||||||||||||||||||
④
| ⑤
| ⑥13÷(
|
①16×18-120÷15 | ②3.2×2.77+0.23×3.2 | ③7.6-2.05÷0.82 | ||||||||||||||||||||
④
| ⑤
| ⑥13÷(
|
7 |
8 |
5 |
17 |
9 |
8 |
12 |
17 |
2 |
9 |
7 |
16 |
2 |
9 |
1 |
4 |
5 |
6 |
3 |
4 |
7 |
8 |
5 |
17 |
9 |
8 |
12 |
17 |
7 |
8 |
5 |
17 |
9 |
8 |
12 |
17 |
7 |
8 |
5 |
17 |
9 |
8 |
12 |
17 |
5 |
17 |
9 |
8 |
12 |
17 |
9 |
8 |
12 |
17 |
12 |
17 |
2 |
9 |
7 |
16 |
2 |
9 |
2 |
9 |
7 |
16 |
2 |
9 |
2 |
9 |
7 |
16 |
2 |
9 |
7 |
16 |
2 |
9 |
2 |
9 |
1 |
4 |
5 |
6 |
3 |
4 |
1 |
4 |
5 |
6 |
3 |
4 |
1 |
4 |
5 |
6 |
3 |
4 |
5 |
6 |
3 |
4 |
3 |
4 |
▼优质解答
答案和解析
①16×18-120÷15,
=288-8,
=280;
②3.2×2.77+0.23×3.2,
=3.2×(2.77+0.23),
=3.2×3,
=9.6;
③7.6-2.05÷0.82,
=7.6-2.5,
=5.1;
④
-
+
-
,
=(
+
)-(
+
),
=2-1,
=1;
⑤
-
×
,
=
×(1-
),
=
×
,
=
;
⑥13÷(
+
)×
,
=13÷
×
,
=12×
,
=9.
7 7 78 8 8-
+
-
,
=(
+
)-(
+
),
=2-1,
=1;
⑤
-
×
,
=
×(1-
),
=
×
,
=
;
⑥13÷(
+
)×
,
=13÷
×
,
=12×
,
=9.
5 5 517 17 17+
-
,
=(
+
)-(
+
),
=2-1,
=1;
⑤
-
×
,
=
×(1-
),
=
×
,
=
;
⑥13÷(
+
)×
,
=13÷
×
,
=12×
,
=9.
9 9 98 8 8-
,
=(
+
)-(
+
),
=2-1,
=1;
⑤
-
×
,
=
×(1-
),
=
×
,
=
;
⑥13÷(
+
)×
,
=13÷
×
,
=12×
,
=9.
12 12 1217 17 17,
=(
+
)-(
+
),
=2-1,
=1;
⑤
-
×
,
=
×(1-
),
=
×
,
=
;
⑥13÷(
+
)×
,
=13÷
×
,
=12×
,
=9.
7 7 78 8 8+
)-(
+
),
=2-1,
=1;
⑤
-
×
,
=
×(1-
),
=
×
,
=
;
⑥13÷(
+
)×
,
=13÷
×
,
=12×
,
=9.
9 9 98 8 8)-(
+
),
=2-1,
=1;
⑤
-
×
,
=
×(1-
),
=
×
,
=
;
⑥13÷(
+
)×
,
=13÷
×
,
=12×
,
=9.
5 5 517 17 17+
),
=2-1,
=1;
⑤
-
×
,
=
×(1-
),
=
×
,
=
;
⑥13÷(
+
)×
,
=13÷
×
,
=12×
,
=9.
12 12 1217 17 17),
=2-1,
=1;
⑤
-
×
,
=
×(1-
),
=
×
,
=
;
⑥13÷(
+
)×
,
=13÷
×
,
=12×
,
=9.
2 2 29 9 9-
×
,
=
×(1-
),
=
×
,
=
;
⑥13÷(
+
)×
,
=13÷
×
,
=12×
,
=9.
7 7 716 16 16×
,
=
×(1-
),
=
×
,
=
;
⑥13÷(
+
)×
,
=13÷
×
,
=12×
,
=9.
2 2 29 9 9,
=
×(1-
),
=
×
,
=
;
⑥13÷(
+
)×
,
=13÷
×
,
=12×
,
=9.
2 2 29 9 9×(1-
),
=
×
,
=
;
⑥13÷(
+
)×
,
=13÷
×
,
=12×
,
=9.
7 7 716 16 16),
=
×
,
=
;
⑥13÷(
+
)×
,
=13÷
×
,
=12×
,
=9.
2 2 29 9 9×
,
=
;
⑥13÷(
+
)×
,
=13÷
×
,
=12×
,
=9.
9 9 916 16 16,
=
;
⑥13÷(
+
)×
,
=13÷
×
,
=12×
,
=9.
1 1 18 8 8;
⑥13÷(
+
)×
,
=13÷
×
,
=12×
,
=9.
1 1 14 4 4+
)×
,
=13÷
×
,
=12×
,
=9.
5 5 56 6 6)×
,
=13÷
×
,
=12×
,
=9.
3 3 34 4 4,
=13÷
×
,
=12×
,
=9.
13 13 1312 12 12×
,
=12×
,
=9.
3 3 34 4 4,
=12×
,
=9.
3 3 34 4 4,
=9.
①16×18-120÷15,
=288-8,
=280;
②3.2×2.77+0.23×3.2,
=3.2×(2.77+0.23),
=3.2×3,
=9.6;
③7.6-2.05÷0.82,
=7.6-2.5,
=5.1;
④
7 |
8 |
5 |
17 |
9 |
8 |
12 |
17 |
=(
7 |
8 |
9 |
8 |
5 |
17 |
12 |
17 |
=2-1,
=1;
⑤
2 |
9 |
7 |
16 |
2 |
9 |
=
2 |
9 |
7 |
16 |
=
2 |
9 |
9 |
16 |
=
1 |
8 |
⑥13÷(
1 |
4 |
5 |
6 |
3 |
4 |
=13÷
13 |
12 |
3 |
4 |
=12×
3 |
4 |
=9.
7 |
8 |
5 |
17 |
9 |
8 |
12 |
17 |
=(
7 |
8 |
9 |
8 |
5 |
17 |
12 |
17 |
=2-1,
=1;
⑤
2 |
9 |
7 |
16 |
2 |
9 |
=
2 |
9 |
7 |
16 |
=
2 |
9 |
9 |
16 |
=
1 |
8 |
⑥13÷(
1 |
4 |
5 |
6 |
3 |
4 |
=13÷
13 |
12 |
3 |
4 |
=12×
3 |
4 |
=9.
5 |
17 |
9 |
8 |
12 |
17 |
=(
7 |
8 |
9 |
8 |
5 |
17 |
12 |
17 |
=2-1,
=1;
⑤
2 |
9 |
7 |
16 |
2 |
9 |
=
2 |
9 |
7 |
16 |
=
2 |
9 |
9 |
16 |
=
1 |
8 |
⑥13÷(
1 |
4 |
5 |
6 |
3 |
4 |
=13÷
13 |
12 |
3 |
4 |
=12×
3 |
4 |
=9.
9 |
8 |
12 |
17 |
=(
7 |
8 |
9 |
8 |
5 |
17 |
12 |
17 |
=2-1,
=1;
⑤
2 |
9 |
7 |
16 |
2 |
9 |
=
2 |
9 |
7 |
16 |
=
2 |
9 |
9 |
16 |
=
1 |
8 |
⑥13÷(
1 |
4 |
5 |
6 |
3 |
4 |
=13÷
13 |
12 |
3 |
4 |
=12×
3 |
4 |
=9.
12 |
17 |
=(
7 |
8 |
9 |
8 |
5 |
17 |
12 |
17 |
=2-1,
=1;
⑤
2 |
9 |
7 |
16 |
2 |
9 |
=
2 |
9 |
7 |
16 |
=
2 |
9 |
9 |
16 |
=
1 |
8 |
⑥13÷(
1 |
4 |
5 |
6 |
3 |
4 |
=13÷
13 |
12 |
3 |
4 |
=12×
3 |
4 |
=9.
7 |
8 |
9 |
8 |
5 |
17 |
12 |
17 |
=2-1,
=1;
⑤
2 |
9 |
7 |
16 |
2 |
9 |
=
2 |
9 |
7 |
16 |
=
2 |
9 |
9 |
16 |
=
1 |
8 |
⑥13÷(
1 |
4 |
5 |
6 |
3 |
4 |
=13÷
13 |
12 |
3 |
4 |
=12×
3 |
4 |
=9.
9 |
8 |
5 |
17 |
12 |
17 |
=2-1,
=1;
⑤
2 |
9 |
7 |
16 |
2 |
9 |
=
2 |
9 |
7 |
16 |
=
2 |
9 |
9 |
16 |
=
1 |
8 |
⑥13÷(
1 |
4 |
5 |
6 |
3 |
4 |
=13÷
13 |
12 |
3 |
4 |
=12×
3 |
4 |
=9.
5 |
17 |
12 |
17 |
=2-1,
=1;
⑤
2 |
9 |
7 |
16 |
2 |
9 |
=
2 |
9 |
7 |
16 |
=
2 |
9 |
9 |
16 |
=
1 |
8 |
⑥13÷(
1 |
4 |
5 |
6 |
3 |
4 |
=13÷
13 |
12 |
3 |
4 |
=12×
3 |
4 |
=9.
12 |
17 |
=2-1,
=1;
⑤
2 |
9 |
7 |
16 |
2 |
9 |
=
2 |
9 |
7 |
16 |
=
2 |
9 |
9 |
16 |
=
1 |
8 |
⑥13÷(
1 |
4 |
5 |
6 |
3 |
4 |
=13÷
13 |
12 |
3 |
4 |
=12×
3 |
4 |
=9.
2 |
9 |
7 |
16 |
2 |
9 |
=
2 |
9 |
7 |
16 |
=
2 |
9 |
9 |
16 |
=
1 |
8 |
⑥13÷(
1 |
4 |
5 |
6 |
3 |
4 |
=13÷
13 |
12 |
3 |
4 |
=12×
3 |
4 |
=9.
7 |
16 |
2 |
9 |
=
2 |
9 |
7 |
16 |
=
2 |
9 |
9 |
16 |
=
1 |
8 |
⑥13÷(
1 |
4 |
5 |
6 |
3 |
4 |
=13÷
13 |
12 |
3 |
4 |
=12×
3 |
4 |
=9.
2 |
9 |
=
2 |
9 |
7 |
16 |
=
2 |
9 |
9 |
16 |
=
1 |
8 |
⑥13÷(
1 |
4 |
5 |
6 |
3 |
4 |
=13÷
13 |
12 |
3 |
4 |
=12×
3 |
4 |
=9.
2 |
9 |
7 |
16 |
=
2 |
9 |
9 |
16 |
=
1 |
8 |
⑥13÷(
1 |
4 |
5 |
6 |
3 |
4 |
=13÷
13 |
12 |
3 |
4 |
=12×
3 |
4 |
=9.
7 |
16 |
=
2 |
9 |
9 |
16 |
=
1 |
8 |
⑥13÷(
1 |
4 |
5 |
6 |
3 |
4 |
=13÷
13 |
12 |
3 |
4 |
=12×
3 |
4 |
=9.
2 |
9 |
9 |
16 |
=
1 |
8 |
⑥13÷(
1 |
4 |
5 |
6 |
3 |
4 |
=13÷
13 |
12 |
3 |
4 |
=12×
3 |
4 |
=9.
9 |
16 |
=
1 |
8 |
⑥13÷(
1 |
4 |
5 |
6 |
3 |
4 |
=13÷
13 |
12 |
3 |
4 |
=12×
3 |
4 |
=9.
1 |
8 |
⑥13÷(
1 |
4 |
5 |
6 |
3 |
4 |
=13÷
13 |
12 |
3 |
4 |
=12×
3 |
4 |
=9.
1 |
4 |
5 |
6 |
3 |
4 |
=13÷
13 |
12 |
3 |
4 |
=12×
3 |
4 |
=9.
5 |
6 |
3 |
4 |
=13÷
13 |
12 |
3 |
4 |
=12×
3 |
4 |
=9.
3 |
4 |
=13÷
13 |
12 |
3 |
4 |
=12×
3 |
4 |
=9.
13 |
12 |
3 |
4 |
=12×
3 |
4 |
=9.
3 |
4 |
=12×
3 |
4 |
=9.
3 |
4 |
=9.
看了 计算下列各题,要写出主要计算...的网友还看了以下:
脱式计算(能简算的要简算)12×1318-518÷112[10-(12+23)×5.4]×77%1 2020-04-07 …
三道简算题,77*(7/11-5/6)+5/6*77(1/8+2/15)*8*156.9-5/11 2020-06-10 …
10-1.77+3.23简便运算就今晚. 2020-06-10 …
9.77*57+9.77*4.3简算 2020-07-17 …
1/21+1/77+1/165+1/285=用简便方法计算 2020-07-19 …
1、77×4×5简便算法3、48×250简便方法2、27×99简便算法4、98+303简便算法快· 2020-07-19 …
1、77×4×5简便算法3、48×250简便方法2、27×99简便算法4、98+303简便算法快~ 2020-07-19 …
计算下面各题(能简算的要简算)②515+223-415①1÷(1+34)④213×12.5×67× 2020-07-29 …
比热容简单小问题某温室为了保持一定的温度,每小时大约需要得到12.6X10的六次方J的热量,若进入室 2020-11-05 …
递等式计算(能简则简)87.23-11.9-4.113.72+6.84+1.28+9.1673.35 2020-11-26 …