(X+1.2)+(x+2.3)+(x+3.4)+...+(x+99.100) = 334290 tìm x
tim x biet
x+(x+1.2)+(x+2.3)+(x+3.4)+........+(x+99.100)=666600
tim so tu nhien x biet
(x+1.2)+(x+2.3)+..............+(x+99.100)
Tim x:2.(x-1)-(1.2+2.3+...+99.100)=(4+5+...+100)-(2.3.4+3.4.5)+...+49.50.51)
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1:Tim x
( x-3)(x-5)=0
(x+7).35 = 2.35
2 : Tinh tong
1.2+2.3+3.4+....................+99.100
tinh gia tri bieu thuc :M=1.2+2.3+3.4+..+99.100
Tim so nguyen x thuoc Z: (x^2-1)(x^2-4)<0
\(\frac{1.2+2.3+3.4+...+99.100}{x^2+\left(x^2+1\right)+\left(x^2+2\right)+...x^2+99}\)
tim x
/x+1.2/ +/x+2.3/+/x+3.4/+....+/x+99.100/=98x tìm x 3 tich nha
Tìm x biết /x+1.2/+/x+2.3/+/x+3.4/+.....+/x+99.100/=98x
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