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\(\left(5\dfrac{1}{3}-2\dfrac{1}{2}\right)+\left(5\dfrac{1}{2}-3\dfrac{1}{3}\right)\)
\(=5\dfrac{1}{3}-2\dfrac{1}{2}+5\dfrac{1}{2}-3\dfrac{1}{3}\)
\(=\left(5\dfrac{1}{3}-3\dfrac{1}{3}\right)+\left(5\dfrac{1}{2}-2\dfrac{1}{2}\right)\)
\(=2+3=5\)
Summer Clouds selected this answer. -
Dương Minh Hiếu 28/05/2017 at 11:46\(5\dfrac{1}{3}-2\dfrac{1}{2}+5\dfrac{1}{2}-3\dfrac{1}{3}\)
=\(\left(5\dfrac{1}{3}-3\dfrac{1}{3}\right)+\left(5\dfrac{1}{2}-3\dfrac{1}{2}\right)\)
=2+2
=4
me
thank you
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Nguyễn Việt Hoàng 30/05/2017 at 21:24\(\left(5\dfrac{1}{3}-2\dfrac{1}{2}\right)+\left(5\dfrac{1}{2}-3\dfrac{1}{3}\right)\)
\(=5\dfrac{1}{3}-2\dfrac{1}{2}+5\dfrac{1}{2}-3\dfrac{1}{3}\)
\(=5\dfrac{1}{3}-3\dfrac{1}{3}+5\dfrac{1}{2}-2\dfrac{1}{2}\)
\(=2+3\)
\(=5\)
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\(516-\left[340+\left(-4-1\right)\right]=516-\left[340+\left(-5\right)\right]=516-335=181\)
Selected by MathYouLike -
It is 191.
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Luffy xyz 123 20/08/2017 at 20:25We have: 10 = 2 . 5, 20 = 22 . 5, 40 = 23 . 5
=> ƯCLN ( 10;20;40 ) = 2 . 5 = 10
Too easy
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Help you solve math 20/08/2017 at 16:08We have:
10=2.5
20 = 2^2.5
30 = 2.3.5
⇒ G C D ( 10 ; 20 ; 40 ) = 2.5 = 10
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Dao Trong Luan 20/08/2017 at 16:0710 = 2.5
20 = 22.5
40 = 23.5
=> GCD\(\left(10;20;40\right)=2.5=10\)
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\(FACT\left(96\right)=2^5\cdot3\)
The greatest prime factor of 96 is 3.
Answer : 3.
Selected by MathYouLike
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Nguyen Huu Ai Linh 06/12/2017 at 10:382. In 100 friends, who answer corretest and fastest?
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\(\sqrt{2+4+6+x}\) (Condition \(-12\le x< 8\)).
\(\Leftrightarrow\sqrt{12+x}=n\left(n\in N\right)\)
So x will satisfy \(x=\left\{-12;-11;-8;-3;4\right\}\)
The sum of \(x=-12-11-8-3+4=-30\)
Answer : - 30.
Lê Quốc Trần Anh selected this answer. -
FA Liên Quân Garena 08/01/2018 at 21:48√2+4+6+x (Condition −12≤x<8
).
⇔√12+x=n(n∈N)
So x will satisfy x={−12;−11;−8;−3;4}
The sum of x=−12−11−8−3+4=−30
Answer : - 30.
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Asuna Yuuki 04/01/2018 at 15:52√2+4+6+x2+4+6+x (Condition −12≤x<8−12≤x<8).
⇔√12+x=n(n∈N)⇔12+x=n(n∈N)
So x will satisfy x={−12;−11;−8;−3;4}x={−12;−11;−8;−3;4}
The sum of x=−12−11−8−3+4=−30x=−12−11−8−3+4=−30
Answer : - 30.
