\(\left(x+1\right)+\left(x+3\right)+.....+\left(x+99\right)=0\)
\(\left(x+x+......+x\right)+\left(1+3+........+99\right)=0\)
\(50x+2500=0\)
\(50x=-2500\)
\(x=-50\)
a/ (x+1)+(x+3)+(x+5)+....+(x+99)=0
b/ (x-3)+(x-2)+(x-1)+...+10+11=11
Tìm x?
1. Tìm x thuộc Z:
(x+1) + (x+2) + (x+3) +...+ (x+99) = 0
(x-3) + (x-2) + (x-1)+...+ 10 + 11= 11
tìm x
a)(x+1)+(x+3)+(x+5)+...+(x+99)=0
b)(x-3)+(x-2)+(x-1)+...+10+11=11
Tim x thuoc Z
a}[x+1]+[x+2]+[x+3]+...............+[x+99]=0
b}[x-3]+[x-2]+[x-1]+.................+10+11=11
Tìm x thuộc Z:
a)(x+1)+(x+3)+(x+5)+.....+(x+99)=0
b)(x-3)+(x-2)+(x-1)+.....+10+11=11
Tìm x thuộc Z:
a,(x+1)+(x+3)+(x+5)+...+(x+99)=0
b,(x-3)+(x-2)+(x-1)+...+10+11=11
Tìm x thuộc Z biết:
a) (x+1)+(x+2)+(x+3)+...+(x+99)=0
b)(x-3)+(x-2)+(x-1)+...+9+10+11=11
a) ( x + 1) + ( x + 3) + ( x + 5 ) + …+ ( x + 99) = 0;
b) ( x – 3) + ( x - 2) + ( x – 1 ) + …+ 10 + 11 = 11;
c) x x x 1 2 ... 2018 2019 2019 ;
Tìm x thuộc Z biết:
a, (x+1)+(x+3)+(x+5)+...+(x+99) = 0
b, (x-3)+(x-2)+(x-1)+...+10+11 = 11
