早教吧作业答案频道 -->其他-->
用简便方法计算125×8.81.3+4.25+3.7+3.754.8×1.0117.16-(3.5-2.85)3.4×99+3.41321×17+1721×8725×1001779÷115+511×2964.2×87+64.2×13.
题目详情
用简便方法计算
125×8.8 1.3+4.25+3.7+3.75 4.8×1.01 125×8.8 1.3+4.25+3.7+3.75 4.8×1.01 17.16-(3.5-2.85) 3.4×99+3.4
×17+
×8 17.16-(3.5-2.85) 3.4×99+3.4
×17+
×8
×17+
×8
13 13 21 21
17 17 21 21
×100
÷
+
×
64.2×87+64.2×13.
×100
×100
7 7 25 25
1 1 7 7
÷
+
×
÷
+
×
7 7 9 9
11 11 5 5
5 5 11 11
2 2 9 9 64.2×87+64.2×13.
| 125×8.8 | 1.3+4.25+3.7+3.75 | 4.8×1.01 | ||||||||||||
| 17.16-(3.5-2.85) | 3.4×99+3.4 |
| ||||||||||||
|
| 64.2×87+64.2×13. |
| 125×8.8 | 1.3+4.25+3.7+3.75 | 4.8×1.01 | ||||||||||||
| 17.16-(3.5-2.85) | 3.4×99+3.4 |
| ||||||||||||
|
| 64.2×87+64.2×13. |
| 13 |
| 21 |
| 17 |
| 21 |
| 13 |
| 21 |
| 17 |
| 21 |
| 13 |
| 21 |
| 17 |
| 21 |
| 13 |
| 21 |
| 17 |
| 21 |
| 7 |
| 25 |
| 1 |
| 7 |
| 7 |
| 9 |
| 11 |
| 5 |
| 5 |
| 11 |
| 2 |
| 9 |
| 7 |
| 25 |
| 1 |
| 7 |
| 7 |
| 25 |
| 1 |
| 7 |
| 7 |
| 25 |
| 1 |
| 7 |
| 7 |
| 9 |
| 11 |
| 5 |
| 5 |
| 11 |
| 2 |
| 9 |
| 7 |
| 9 |
| 11 |
| 5 |
| 5 |
| 11 |
| 2 |
| 9 |
| 7 |
| 9 |
| 11 |
| 5 |
| 5 |
| 11 |
| 2 |
| 9 |
▼优质解答
答案和解析
(1)125×8.8,
=125×8×1.1,
=1000×1.1,
=1100;
(2)1.3+4.25+3.7+3.75,
=(1.3+3.7)+(4.25+3.75),
=5+8,
=13;
(3)4.8×1.01,
=4.8×1+4.8×0.01,
=4.8+0.048,
=4.848;
(4)17.16-(3.5-2.85),
=17.16+2.85-3.5,
=20.01-3.5,
=16.51;
(5)3.4×99+3.4,
=3.4×(99+1),
=3.4×100,
=340;
(6)
×17+
×8,
=(
+
)×17,
=1×17,
=17;
(7)
×100
,
=
×100+
×
,
=28+
,
=28
;
(8)
÷
+
×
,
=(
+
)×
,
=1×
,
=
;
(9)64.2×87+64.2×13.
=64.2×(87+13),
=64.2×100,
=6420.
13 13 1321 21 21×17+
17 17 1721 21 21×8,
=(
+
)×17,
=1×17,
=17;
(7)
×100
,
=
×100+
×
,
=28+
,
=28
;
(8)
÷
+
×
,
=(
+
)×
,
=1×
,
=
;
(9)64.2×87+64.2×13.
=64.2×(87+13),
=64.2×100,
=6420.
13 13 1321 21 21+
8 8 821 21 21)×17,
=1×17,
=17;
(7)
×100
,
=
×100+
×
,
=28+
,
=28
;
(8)
÷
+
×
,
=(
+
)×
,
=1×
,
=
;
(9)64.2×87+64.2×13.
=64.2×(87+13),
=64.2×100,
=6420.
7 7 725 25 25×100
1 1 17 7 7,
=
×100+
×
,
=28+
,
=28
;
(8)
÷
+
×
,
=(
+
)×
,
=1×
,
=
;
(9)64.2×87+64.2×13.
=64.2×(87+13),
=64.2×100,
=6420.
7 7 725 25 25×100+
7 7 725 25 25×
1 1 17 7 7,
=28+
,
=28
;
(8)
÷
+
×
,
=(
+
)×
,
=1×
,
=
;
(9)64.2×87+64.2×13.
=64.2×(87+13),
=64.2×100,
=6420. +
1 1 125 25 25,
=28
;
(8)
÷
+
×
,
=(
+
)×
,
=1×
,
=
;
(9)64.2×87+64.2×13.
=64.2×(87+13),
=64.2×100,
=6420.
1 1 125 25 25;
(8)
÷
+
×
,
=(
+
)×
,
=1×
,
=
;
(9)64.2×87+64.2×13.
=64.2×(87+13),
=64.2×100,
=6420.
7 7 79 9 9÷
11 11 115 5 5+
5 5 511 11 11×
2 2 29 9 9,
=(
+
)×
,
=1×
,
=
;
(9)64.2×87+64.2×13.
=64.2×(87+13),
=64.2×100,
=6420.
7 7 79 9 9+
2 2 29 9 9)×
,
=1×
,
=
;
(9)64.2×87+64.2×13.
=64.2×(87+13),
=64.2×100,
=6420.
5 5 511 11 11,
=1×
,
=
;
(9)64.2×87+64.2×13.
=64.2×(87+13),
=64.2×100,
=6420.
5 5 511 11 11,
=
;
(9)64.2×87+64.2×13.
=64.2×(87+13),
=64.2×100,
=6420.
5 5 511 11 11;
(9)64.2×87+64.2×13.
=64.2×(87+13),
=64.2×100,
=6420.
=125×8×1.1,
=1000×1.1,
=1100;
(2)1.3+4.25+3.7+3.75,
=(1.3+3.7)+(4.25+3.75),
=5+8,
=13;
(3)4.8×1.01,
=4.8×1+4.8×0.01,
=4.8+0.048,
=4.848;
(4)17.16-(3.5-2.85),
=17.16+2.85-3.5,
=20.01-3.5,
=16.51;
(5)3.4×99+3.4,
=3.4×(99+1),
=3.4×100,
=340;
(6)
| 13 |
| 21 |
| 17 |
| 21 |
=(
| 13 |
| 21 |
| 8 |
| 21 |
=1×17,
=17;
(7)
| 7 |
| 25 |
| 1 |
| 7 |
=
| 7 |
| 25 |
| 7 |
| 25 |
| 1 |
| 7 |
=28+
| 1 |
| 25 |
=28
| 1 |
| 25 |
(8)
| 7 |
| 9 |
| 11 |
| 5 |
| 5 |
| 11 |
| 2 |
| 9 |
=(
| 7 |
| 9 |
| 2 |
| 9 |
| 5 |
| 11 |
=1×
| 5 |
| 11 |
=
| 5 |
| 11 |
(9)64.2×87+64.2×13.
=64.2×(87+13),
=64.2×100,
=6420.
| 13 |
| 21 |
| 17 |
| 21 |
=(
| 13 |
| 21 |
| 8 |
| 21 |
=1×17,
=17;
(7)
| 7 |
| 25 |
| 1 |
| 7 |
=
| 7 |
| 25 |
| 7 |
| 25 |
| 1 |
| 7 |
=28+
| 1 |
| 25 |
=28
| 1 |
| 25 |
(8)
| 7 |
| 9 |
| 11 |
| 5 |
| 5 |
| 11 |
| 2 |
| 9 |
=(
| 7 |
| 9 |
| 2 |
| 9 |
| 5 |
| 11 |
=1×
| 5 |
| 11 |
=
| 5 |
| 11 |
(9)64.2×87+64.2×13.
=64.2×(87+13),
=64.2×100,
=6420.
| 13 |
| 21 |
| 8 |
| 21 |
=1×17,
=17;
(7)
| 7 |
| 25 |
| 1 |
| 7 |
=
| 7 |
| 25 |
| 7 |
| 25 |
| 1 |
| 7 |
=28+
| 1 |
| 25 |
=28
| 1 |
| 25 |
(8)
| 7 |
| 9 |
| 11 |
| 5 |
| 5 |
| 11 |
| 2 |
| 9 |
=(
| 7 |
| 9 |
| 2 |
| 9 |
| 5 |
| 11 |
=1×
| 5 |
| 11 |
=
| 5 |
| 11 |
(9)64.2×87+64.2×13.
=64.2×(87+13),
=64.2×100,
=6420.
| 7 |
| 25 |
| 1 |
| 7 |
=
| 7 |
| 25 |
| 7 |
| 25 |
| 1 |
| 7 |
=28+
| 1 |
| 25 |
=28
| 1 |
| 25 |
(8)
| 7 |
| 9 |
| 11 |
| 5 |
| 5 |
| 11 |
| 2 |
| 9 |
=(
| 7 |
| 9 |
| 2 |
| 9 |
| 5 |
| 11 |
=1×
| 5 |
| 11 |
=
| 5 |
| 11 |
(9)64.2×87+64.2×13.
=64.2×(87+13),
=64.2×100,
=6420.
| 7 |
| 25 |
| 7 |
| 25 |
| 1 |
| 7 |
=28+
| 1 |
| 25 |
=28
| 1 |
| 25 |
(8)
| 7 |
| 9 |
| 11 |
| 5 |
| 5 |
| 11 |
| 2 |
| 9 |
=(
| 7 |
| 9 |
| 2 |
| 9 |
| 5 |
| 11 |
=1×
| 5 |
| 11 |
=
| 5 |
| 11 |
(9)64.2×87+64.2×13.
=64.2×(87+13),
=64.2×100,
=6420. +
| 1 |
| 25 |
=28
| 1 |
| 25 |
(8)
| 7 |
| 9 |
| 11 |
| 5 |
| 5 |
| 11 |
| 2 |
| 9 |
=(
| 7 |
| 9 |
| 2 |
| 9 |
| 5 |
| 11 |
=1×
| 5 |
| 11 |
=
| 5 |
| 11 |
(9)64.2×87+64.2×13.
=64.2×(87+13),
=64.2×100,
=6420.
| 1 |
| 25 |
(8)
| 7 |
| 9 |
| 11 |
| 5 |
| 5 |
| 11 |
| 2 |
| 9 |
=(
| 7 |
| 9 |
| 2 |
| 9 |
| 5 |
| 11 |
=1×
| 5 |
| 11 |
=
| 5 |
| 11 |
(9)64.2×87+64.2×13.
=64.2×(87+13),
=64.2×100,
=6420.
| 7 |
| 9 |
| 11 |
| 5 |
| 5 |
| 11 |
| 2 |
| 9 |
=(
| 7 |
| 9 |
| 2 |
| 9 |
| 5 |
| 11 |
=1×
| 5 |
| 11 |
=
| 5 |
| 11 |
(9)64.2×87+64.2×13.
=64.2×(87+13),
=64.2×100,
=6420.
| 7 |
| 9 |
| 2 |
| 9 |
| 5 |
| 11 |
=1×
| 5 |
| 11 |
=
| 5 |
| 11 |
(9)64.2×87+64.2×13.
=64.2×(87+13),
=64.2×100,
=6420.
| 5 |
| 11 |
=1×
| 5 |
| 11 |
=
| 5 |
| 11 |
(9)64.2×87+64.2×13.
=64.2×(87+13),
=64.2×100,
=6420.
| 5 |
| 11 |
=
| 5 |
| 11 |
(9)64.2×87+64.2×13.
=64.2×(87+13),
=64.2×100,
=6420.
| 5 |
| 11 |
(9)64.2×87+64.2×13.
=64.2×(87+13),
=64.2×100,
=6420.
看了 用简便方法计算125×8.8...的网友还看了以下:
BP神经网络高手来5.1,3.5,1.4,0.2,Iris-setosa4.9,3.0,1.4,0 2020-05-17 …
计算题,超难的.1、(2又2/9*4/5+2又2/9+6.2-5.8*2又2/9-1/5*2又2/ 2020-06-03 …
7/9乘7+2/9=1/3+3/4乘1.6=1-5/9乘5/7=0.06乘(5-2/3)=2/3- 2020-06-03 …
1/8^2+1/9^2+1/10^2+……+1/64^2与1/8比较 2020-07-09 …
(3*7+2*9+1*10+1*5+2*8+3*4+1*2+1*9+7*6+9*3+0*7+6*9 2020-07-15 …
如果[A]表示A的整数部分,那么[1.64]+[1.64+1/20]+[1.64+2/20]... 2020-07-18 …
帮忙解3个数字九宫格****7***14****3***3*2**8***64***2**9***2 2020-11-02 …
8、有30个数:1.64,1.64+1/30,1.64+2/30,1.64+3/30.1.64+28 2020-11-17 …
1,3,4,1,9,()后面的括号里面用天啥~我知道是有个数是等于64就是:(3-1)^2=4;(4 2020-11-18 …
九宫格的题目598*64****6***9*1***2*5***69 2021-01-20 …