早教吧作业答案频道 -->其他-->
(2012•麻章区)脱式计算(能简算的要简算)(1)9-0.64-0.36(2)1379+450÷18×40(3)(16−19)×18(4)12÷14+34(5)511×19+89÷115(6)34×[(715−15)÷23].
题目详情
(2012•麻章区)
脱式计算(能简算的要简算)
(1)9-0.64-0.36 (2)1379+450÷18×40 (3)(
−
)×18 脱式计算(能简算的要简算)
(1)9-0.64-0.36
(2)1379+450÷18×40 (3)(
−
)×18 (
−
)×18
1 1 6 6
1 1 9 9 (4)
÷
+
(5)
×
+
÷
(6)
×[(
−
)÷
]. (4)
÷
+
÷
+
1 1 2 2
1 1 4 4
3 3 4 4 (5)
×
+
÷
×
+
÷
5 5 11 11
1 1 9 9
8 8 9 9
11 11 5 5 (6)
×[(
−
)÷
].
×[(
−
)÷
].
3 3 4 4
7 7 15 15
1 1 5 5
2 2 3 3
脱式计算(能简算的要简算) (1)9-0.64-0.36 | (2)1379+450÷18×40 | (3)(
| ||||||||||||||||||||||
(4)
| (5)
| (6)
|
脱式计算(能简算的要简算) (1)9-0.64-0.36 | (2)1379+450÷18×40 | (3)(
| ||||||||||||||||||||||
(4)
| (5)
| (6)
|
(1)9-0.64-0.36
1 |
6 |
1 |
9 |
(1)9-0.64-0.36
1 |
6 |
1 |
9 |
1 |
6 |
1 |
9 |
1 |
6 |
1 |
9 |
1 |
2 |
1 |
4 |
3 |
4 |
5 |
11 |
1 |
9 |
8 |
9 |
11 |
5 |
3 |
4 |
7 |
15 |
1 |
5 |
2 |
3 |
1 |
2 |
1 |
4 |
3 |
4 |
1 |
2 |
1 |
4 |
3 |
4 |
1 |
2 |
1 |
4 |
3 |
4 |
5 |
11 |
1 |
9 |
8 |
9 |
11 |
5 |
5 |
11 |
1 |
9 |
8 |
9 |
11 |
5 |
5 |
11 |
1 |
9 |
8 |
9 |
11 |
5 |
3 |
4 |
7 |
15 |
1 |
5 |
2 |
3 |
3 |
4 |
7 |
15 |
1 |
5 |
2 |
3 |
3 |
4 |
7 |
15 |
1 |
5 |
2 |
3 |
▼优质解答
答案和解析
(1)9-0.64-0.36,
=9-(0.64+0.36),
=9-1,
=8;
(2)1379+450÷18×40,
=1379+25×40,
=1379+1000,
=2379;
(3)(3)(
−
)×18,
=
×18-
×18,
=3-2,
=1;
(4)
÷
+
,
=2+
,
=2
;
(5)
×
+
÷
,
=
×
+
×
,
=
×(
+
),
=
×1,
=
;
(6)
×[(
−
)÷
],
=
×[
÷
],
=
×
,
=
. (
1 1 16 6 6−
1 1 19 9 9)×18,
=
×18-
×18,
=3-2,
=1;
(4)
÷
+
,
=2+
,
=2
;
(5)
×
+
÷
,
=
×
+
×
,
=
×(
+
),
=
×1,
=
;
(6)
×[(
−
)÷
],
=
×[
÷
],
=
×
,
=
.
1 1 16 6 6×18-
×18,
=3-2,
=1;
(4)
÷
+
,
=2+
,
=2
;
(5)
×
+
÷
,
=
×
+
×
,
=
×(
+
),
=
×1,
=
;
(6)
×[(
−
)÷
],
=
×[
÷
],
=
×
,
=
.
1 1 19 9 9×18,
=3-2,
=1;
(4)
÷
+
,
=2+
,
=2
;
(5)
×
+
÷
,
=
×
+
×
,
=
×(
+
),
=
×1,
=
;
(6)
×[(
−
)÷
],
=
×[
÷
],
=
×
,
=
.
1 1 12 2 2÷
1 1 14 4 4+
3 3 34 4 4,
=2+
,
=2
;
(5)
×
+
÷
,
=
×
+
×
,
=
×(
+
),
=
×1,
=
;
(6)
×[(
−
)÷
],
=
×[
÷
],
=
×
,
=
. +
3 3 34 4 4,
=2
;
(5)
×
+
÷
,
=
×
+
×
,
=
×(
+
),
=
×1,
=
;
(6)
×[(
−
)÷
],
=
×[
÷
],
=
×
,
=
.
3 3 34 4 4;
(5)
×
+
÷
,
=
×
+
×
,
=
×(
+
),
=
×1,
=
;
(6)
×[(
−
)÷
],
=
×[
÷
],
=
×
,
=
.
5 5 511 11 11×
1 1 19 9 9+
8 8 89 9 9÷
11 11 115 5 5,
=
×
+
×
,
=
×(
+
),
=
×1,
=
;
(6)
×[(
−
)÷
],
=
×[
÷
],
=
×
,
=
.
5 5 511 11 11×
+
×
,
=
×(
+
),
=
×1,
=
;
(6)
×[(
−
)÷
],
=
×[
÷
],
=
×
,
=
.
1 1 19 9 9+
×
,
=
×(
+
),
=
×1,
=
;
(6)
×[(
−
)÷
],
=
×[
÷
],
=
×
,
=
.
8 8 89 9 9×
,
=
×(
+
),
=
×1,
=
;
(6)
×[(
−
)÷
],
=
×[
÷
],
=
×
,
=
.
5 5 511 11 11,
=
×(
+
),
=
×1,
=
;
(6)
×[(
−
)÷
],
=
×[
÷
],
=
×
,
=
.
5 5 511 11 11×(
+
),
=
×1,
=
;
(6)
×[(
−
)÷
],
=
×[
÷
],
=
×
,
=
.
1 1 19 9 9+
),
=
×1,
=
;
(6)
×[(
−
)÷
],
=
×[
÷
],
=
×
,
=
.
8 8 89 9 9),
=
×1,
=
;
(6)
×[(
−
)÷
],
=
×[
÷
],
=
×
,
=
.
5 5 511 11 11×1,
=
;
(6)
×[(
−
)÷
],
=
×[
÷
],
=
×
,
=
.
5 5 511 11 11;
(6)
×[(
−
)÷
],
=
×[
÷
],
=
×
,
=
.
3 3 34 4 4×[(
7 7 715 15 15−
1 1 15 5 5)÷
2 2 23 3 3],
=
×[
÷
],
=
×
,
=
.
3 3 34 4 4×[
÷
],
=
×
,
=
.
4 4 415 15 15÷
],
=
×
,
=
. ÷
2 2 23 3 3],
=
×
,
=
.
3 3 34 4 4×
,
=
.
2 2 25 5 5,
=
.
3 3 310 10 10.
=9-(0.64+0.36),
=9-1,
=8;
(2)1379+450÷18×40,
=1379+25×40,
=1379+1000,
=2379;
(3)(3)(
1 |
6 |
1 |
9 |
=
1 |
6 |
1 |
9 |
=3-2,
=1;
(4)
1 |
2 |
1 |
4 |
3 |
4 |
=2+
3 |
4 |
=2
3 |
4 |
(5)
5 |
11 |
1 |
9 |
8 |
9 |
11 |
5 |
=
5 |
11 |
1 |
9 |
8 |
9 |
5 |
11 |
=
5 |
11 |
1 |
9 |
8 |
9 |
=
5 |
11 |
=
5 |
11 |
(6)
3 |
4 |
7 |
15 |
1 |
5 |
2 |
3 |
=
3 |
4 |
4 |
15 |
2 |
3 |
=
3 |
4 |
2 |
5 |
=
3 |
10 |
1 |
6 |
1 |
9 |
=
1 |
6 |
1 |
9 |
=3-2,
=1;
(4)
1 |
2 |
1 |
4 |
3 |
4 |
=2+
3 |
4 |
=2
3 |
4 |
(5)
5 |
11 |
1 |
9 |
8 |
9 |
11 |
5 |
=
5 |
11 |
1 |
9 |
8 |
9 |
5 |
11 |
=
5 |
11 |
1 |
9 |
8 |
9 |
=
5 |
11 |
=
5 |
11 |
(6)
3 |
4 |
7 |
15 |
1 |
5 |
2 |
3 |
=
3 |
4 |
4 |
15 |
2 |
3 |
=
3 |
4 |
2 |
5 |
=
3 |
10 |
1 |
6 |
1 |
9 |
=3-2,
=1;
(4)
1 |
2 |
1 |
4 |
3 |
4 |
=2+
3 |
4 |
=2
3 |
4 |
(5)
5 |
11 |
1 |
9 |
8 |
9 |
11 |
5 |
=
5 |
11 |
1 |
9 |
8 |
9 |
5 |
11 |
=
5 |
11 |
1 |
9 |
8 |
9 |
=
5 |
11 |
=
5 |
11 |
(6)
3 |
4 |
7 |
15 |
1 |
5 |
2 |
3 |
=
3 |
4 |
4 |
15 |
2 |
3 |
=
3 |
4 |
2 |
5 |
=
3 |
10 |
1 |
9 |
=3-2,
=1;
(4)
1 |
2 |
1 |
4 |
3 |
4 |
=2+
3 |
4 |
=2
3 |
4 |
(5)
5 |
11 |
1 |
9 |
8 |
9 |
11 |
5 |
=
5 |
11 |
1 |
9 |
8 |
9 |
5 |
11 |
=
5 |
11 |
1 |
9 |
8 |
9 |
=
5 |
11 |
=
5 |
11 |
(6)
3 |
4 |
7 |
15 |
1 |
5 |
2 |
3 |
=
3 |
4 |
4 |
15 |
2 |
3 |
=
3 |
4 |
2 |
5 |
=
3 |
10 |
1 |
2 |
1 |
4 |
3 |
4 |
=2+
3 |
4 |
=2
3 |
4 |
(5)
5 |
11 |
1 |
9 |
8 |
9 |
11 |
5 |
=
5 |
11 |
1 |
9 |
8 |
9 |
5 |
11 |
=
5 |
11 |
1 |
9 |
8 |
9 |
=
5 |
11 |
=
5 |
11 |
(6)
3 |
4 |
7 |
15 |
1 |
5 |
2 |
3 |
=
3 |
4 |
4 |
15 |
2 |
3 |
=
3 |
4 |
2 |
5 |
=
3 |
10 |
3 |
4 |
=2
3 |
4 |
(5)
5 |
11 |
1 |
9 |
8 |
9 |
11 |
5 |
=
5 |
11 |
1 |
9 |
8 |
9 |
5 |
11 |
=
5 |
11 |
1 |
9 |
8 |
9 |
=
5 |
11 |
=
5 |
11 |
(6)
3 |
4 |
7 |
15 |
1 |
5 |
2 |
3 |
=
3 |
4 |
4 |
15 |
2 |
3 |
=
3 |
4 |
2 |
5 |
=
3 |
10 |
3 |
4 |
(5)
5 |
11 |
1 |
9 |
8 |
9 |
11 |
5 |
=
5 |
11 |
1 |
9 |
8 |
9 |
5 |
11 |
=
5 |
11 |
1 |
9 |
8 |
9 |
=
5 |
11 |
=
5 |
11 |
(6)
3 |
4 |
7 |
15 |
1 |
5 |
2 |
3 |
=
3 |
4 |
4 |
15 |
2 |
3 |
=
3 |
4 |
2 |
5 |
=
3 |
10 |
5 |
11 |
1 |
9 |
8 |
9 |
11 |
5 |
=
5 |
11 |
1 |
9 |
8 |
9 |
5 |
11 |
=
5 |
11 |
1 |
9 |
8 |
9 |
=
5 |
11 |
=
5 |
11 |
(6)
3 |
4 |
7 |
15 |
1 |
5 |
2 |
3 |
=
3 |
4 |
4 |
15 |
2 |
3 |
=
3 |
4 |
2 |
5 |
=
3 |
10 |
5 |
11 |
1 |
9 |
8 |
9 |
5 |
11 |
=
5 |
11 |
1 |
9 |
8 |
9 |
=
5 |
11 |
=
5 |
11 |
(6)
3 |
4 |
7 |
15 |
1 |
5 |
2 |
3 |
=
3 |
4 |
4 |
15 |
2 |
3 |
=
3 |
4 |
2 |
5 |
=
3 |
10 |
1 |
9 |
8 |
9 |
5 |
11 |
=
5 |
11 |
1 |
9 |
8 |
9 |
=
5 |
11 |
=
5 |
11 |
(6)
3 |
4 |
7 |
15 |
1 |
5 |
2 |
3 |
=
3 |
4 |
4 |
15 |
2 |
3 |
=
3 |
4 |
2 |
5 |
=
3 |
10 |
8 |
9 |
5 |
11 |
=
5 |
11 |
1 |
9 |
8 |
9 |
=
5 |
11 |
=
5 |
11 |
(6)
3 |
4 |
7 |
15 |
1 |
5 |
2 |
3 |
=
3 |
4 |
4 |
15 |
2 |
3 |
=
3 |
4 |
2 |
5 |
=
3 |
10 |
5 |
11 |
=
5 |
11 |
1 |
9 |
8 |
9 |
=
5 |
11 |
=
5 |
11 |
(6)
3 |
4 |
7 |
15 |
1 |
5 |
2 |
3 |
=
3 |
4 |
4 |
15 |
2 |
3 |
=
3 |
4 |
2 |
5 |
=
3 |
10 |
5 |
11 |
1 |
9 |
8 |
9 |
=
5 |
11 |
=
5 |
11 |
(6)
3 |
4 |
7 |
15 |
1 |
5 |
2 |
3 |
=
3 |
4 |
4 |
15 |
2 |
3 |
=
3 |
4 |
2 |
5 |
=
3 |
10 |
1 |
9 |
8 |
9 |
=
5 |
11 |
=
5 |
11 |
(6)
3 |
4 |
7 |
15 |
1 |
5 |
2 |
3 |
=
3 |
4 |
4 |
15 |
2 |
3 |
=
3 |
4 |
2 |
5 |
=
3 |
10 |
8 |
9 |
=
5 |
11 |
=
5 |
11 |
(6)
3 |
4 |
7 |
15 |
1 |
5 |
2 |
3 |
=
3 |
4 |
4 |
15 |
2 |
3 |
=
3 |
4 |
2 |
5 |
=
3 |
10 |
5 |
11 |
=
5 |
11 |
(6)
3 |
4 |
7 |
15 |
1 |
5 |
2 |
3 |
=
3 |
4 |
4 |
15 |
2 |
3 |
=
3 |
4 |
2 |
5 |
=
3 |
10 |
5 |
11 |
(6)
3 |
4 |
7 |
15 |
1 |
5 |
2 |
3 |
=
3 |
4 |
4 |
15 |
2 |
3 |
=
3 |
4 |
2 |
5 |
=
3 |
10 |
3 |
4 |
7 |
15 |
1 |
5 |
2 |
3 |
=
3 |
4 |
4 |
15 |
2 |
3 |
=
3 |
4 |
2 |
5 |
=
3 |
10 |
3 |
4 |
4 |
15 |
2 |
3 |
=
3 |
4 |
2 |
5 |
=
3 |
10 |
4 |
15 |
2 |
3 |
=
3 |
4 |
2 |
5 |
=
3 |
10 |
2 |
3 |
=
3 |
4 |
2 |
5 |
=
3 |
10 |
3 |
4 |
2 |
5 |
=
3 |
10 |
2 |
5 |
=
3 |
10 |
3 |
10 |
看了 (2012•麻章区)脱式计算...的网友还看了以下:
计算:(1/2+1/3+1/4+.+1/2007)×(1+1/2+1/3+1/4+.+1/2006 2020-05-13 …
几道数学计算题(请写过程)第一题1/2+(1/3+2/3)+(1/4+2/4+3/4)+…+(1/ 2020-05-16 …
分数的分拆1/21=1/()+1/()急!1/21=1/()+1/()1/12=1/()+1/() 2020-06-11 …
在○里填上适当的运算符合,使等式成立(1)1/2○1/2○1/2○1/2○1/2=0(2)1/2○ 2020-07-08 …
(1/2+1/3+1/4+...1/2013)X(1+1/2+1/3+1/4+...1/2012) 2020-07-14 …
一、我们知道1/1×2=1/1-1/2=1/2,1/2×3=1/2-1/3=1/6验证:1/3×4 2020-07-17 …
脱式计算,能简算的要简算1.(1+1/6)×(1+1/7)×(1+1/8)×(1+1/9)×... 2020-07-18 …
寻找规律解数学题1/1*2=1-1/22/2*3=1/2-1/31/3*4=1/3-1/4……计算 2020-07-22 …
由下列各式:1>1/2,1+1/2+1/3>1有下列各式:1>1/2;1+1/2+1/3>1;1+1 2020-10-30 …
计算一道数学题,(1+1/2)×(1+1/3)×(1+1/4)×(1+1/5)×(1+1/6)×(1 2020-11-30 …