S=(-3)0+(-3)1+(-3)2+...+(-3)2014 ( có 2015 số hạng )
S=1+(-3)+3+...+3 ( có 2014 số 3 )
=>S=1+[(-3)+3]+[(-3)+3]+...+[(-3)+3]
S=1+0+0+...+0
S=1
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otinh tong
S=\(\left(-3\right)^0+\left(-3\right)^1+\left(-3\right)^2+...+\left(-3\right)^{2015}\)
\(\sqrt{\left(-3\right)^2}^{ }-3+3:\left(\frac{1}{3}\right)^2+\left(\left(2013\right)^{0^{ }}\right)^{2014}\)
\(\left(-\dfrac{1}{2}\right)^3\)+\(\left(\dfrac{12}{13}\right)^0\)-\(\left|\dfrac{-5}{2}\right|\)+\(\left(-1\right)^{2014}\)
Tinh tong :
\(B=\left[\sqrt{1}\right]+\left[\sqrt{2}\right]+\left[\sqrt{3}\right]+\left[\sqrt{4}\right]+...+\left[\sqrt{99}\right]+\left[\sqrt{100}\right]\)
\(2\left|2x-6\right|=\dfrac{5}{6}-\left|x-3\right|\)
2:\(\left|x+2013\right|+\left|x+2014\right|+\left|x+2045\right|=2\)
3:\(\left|2x-1\right|=\left|x+1\right|\)
4:\(\sqrt{\left(x+\sqrt{5}\right)}+\sqrt{\left(y-\sqrt{3}\right)^2}+\left|x-y-z\right|=0\)
tính tổng : S= \(\left(-3\right)^0+\left(-3\right)^1+\left(-3\right)^2+...+\left(-3\right)^{2015}\)
Tính tổng
S=\(\left(-3\right)^0+\left(-3\right)^1+\left(-3\right)^2+........+\left(-3\right)^{2015}\)
thuc hien phep tinh
\(\left[6-3.\left(-\frac{1}{3}^2\right)+\sqrt{0,25}\right]:\sqrt{0,\left(9\right)}\)
\(\left(\frac{1}{2}\right)^2.\sqrt{16}-3^2.\sqrt{0,01}+\left(2^2\right)^2-\left(0,0\left(6\right)\right)+\frac{13}{30}\)
tính tổng
S=\(\left(-3\right)^0+\left(-3\right)^1+\left(-3\right)^2+...+\left(-3\right)^{2015}\)