\(b=\frac{3737.43-4343.37}{2+4+6+...+100}\)= ?
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\(B=\frac{3737\cdot43-4343\cdot37}{2+4+6+...+100}=\frac{37\cdot101\cdot43-43\cdot101\cdot37}{2+4+6+...+100}=\frac{0}{2+4+6+...+100}=0\)
B=\(\frac{3737.43-4343.37}{2+4+6+...+100}\)=\(\frac{101.37.43-101.43.37}{2+4+6+...+100}\)=\(\frac{101\left(37.43-43.37\right)}{2+4+6+...+100}\)=\(\frac{0}{2+4+6+...+100}\)=0
ta có
3737 . 43 - 4343 . 37 = ( 3700 + 37) . 43 - (4300+43) . 37
= 3700 . 43 + 37 .43 - 4300 . 37 + 43 . 37
= 43 . 37 . ( 3700 . 43 - 4300 . 37)
= 1591 . (159100 - 159100)
= 1591 . 0
= 0
vậy \(\frac{3737.43-4343.37}{2+4+6+....+100}\)= 0
đap số 0
`(3737.43-4343.37)/(2+4+...+100)`
`= (101.37.43-101.43.37)/(2+4+...+100)`
`=0/(2+4+...+100) = 0`
\(D=\frac{3737.43-4343.37}{2+4+6+...+100}\)
\(\Rightarrow D=\frac{37.101.43-4343.37}{2+4+6+...+100}\)
\(\Rightarrow D=\frac{37.4343-4343.37}{2+4+6+...+100}\)
\(\Rightarrow D=\frac{4343.\left(37-37\right)}{2+4+6+...+100}\)
\(\Rightarrow D=\frac{4343.0}{2+4+6+...+100}\)
\(\Rightarrow D=\frac{0}{2+4+6+...+100}\)
\(\Rightarrow D=0\)
Vậy D = 0
\(D=\frac{37.101.43-43.101.37}{2+4+6+..+100}=\frac{0}{2+4+...+100}=0\)
C=\(\frac{101+100+...+3+2+1}{101-100+...+3-2+1}\)
=\(\frac{\left(101+1\right).101:2}{\left(101-100\right)+...+\left(3-2\right)+1}\) (nhóm 2 số hạng ở MS thì sẽ có 51 nhóm và dư 1 số hang )
=\(\frac{102.101:2}{1+...+1+1}\) ( Ms có 51 số 1)
=\(\frac{51.101}{51}\)=101
D=\(\frac{3737.43-4343.37}{2+4+6+...+100}\)
= \(\frac{37.101.43-43.101.37}{2+4+6+..+100}\)
= \(\frac{0}{2+4+6+...+100}\)
=0
Tick mik nha, thks bạn
\(B=\dfrac{3737.43-4343.37}{2+4+6+...+100}\)
\(=\dfrac{37.101.43-4343.37}{2+4+6+...+100}\)
\(=\dfrac{37.4343-4343.37}{2+4+6+...+100}\)
\(=\dfrac{0}{2+4+6+...+100}\)
\(=0\)
\(b=\frac{3737\cdot43-4343\cdot37}{2+4+6+...+100}=\frac{37\cdot101\cdot43-43\cdot101\cdot37}{2+4+6+...+100}=\frac{0}{2+4+6+...+100}=0\)