5,14 Nhân 0,32=
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![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
Bài làm:
5,14 + 5,12 x 98 + 5,12
= (5,14 +5,12) + 501,76
= 10,26 +501,76
=512,02
nguyễn minh đăng sai rồi,Phải làm như vậy nè
5,14 + 5,12 x 98 + 5,12
=5,12 x ( 5,14 + 98 )
=5,12 x 103,14
=528,0768
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
6,71 x 10...=...0,671 x 100
3,2 x 100...>...0,32 x 100
12,60 x 100..<...1260 x 10
8,5 x 100..=..0,85 x 1000
18,46 x 100...>..18,46 x 10
0,537 x 1000...=..5,37 x 100
6,71 x 10 = 0,671 x 100
3,2 x 100 > 0,32 x 100
12,60 x 100 < 1260 x 10
8,5 x 100 = 0,85 x 1000
18,46 x 100 > 18,46 x 10
0,537 x 1000 = 5,37 x 100
#Panda
![](https://rs.olm.vn/images/avt/0.png?1311)
20,15 . 5,14 + 20,15 . 9,36 - 14,5 . 0,15
= 20,15( 5,14 + 9,36 ) - 14,5 . 0,15
= 20,15 . 14,5 - 14,5 . 0,15
= 14,5( 20,15 - 0,15 )
= 14,5 . 20 = 290
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\dfrac{3}{5}+\left(x+2\right)=\dfrac{1}{5}\)
\(\Rightarrow x+2=\dfrac{1}{5}-\dfrac{3}{5}\)
\(\Rightarrow x+2=-\dfrac{2}{5}\)
\(\Rightarrow x=-\dfrac{2}{5}-2\)
\(\Rightarrow x=-\dfrac{12}{5}\)
\(x-5,14=15,7\)
\(\Rightarrow x=15,7+5,14\)
\(\Rightarrow x=20,84\)
![](https://rs.olm.vn/images/avt/0.png?1311)
4,08 : 1,2 - 2,03 0,44 + 0,32 x 0,05
=3,4 - 2,03 = 0,44 + 0,016
= 1,37 = 0,456
![](https://rs.olm.vn/images/avt/0.png?1311)
a) X + 3,12 = 6.1
X = 6.1 - 3.12
X= 2,98
b) X - 5,14 = 36
X = 36 + 5.14
X = 41.14
a) x+3,12=14,6-8,5
x+3,12=6,1
x = 6,1-3,12
x = 2,98
b) x-5,14=(15,7+2,3).2
x-5,14=36
x = 36+5,14
x = 41,14
= 1,6448 nha bn
5,14 x 0,32= 1,6448