131313 + 131313 + 131313 + 131313 / 151515 + 353535 + 6363636 + 999999
= 131313 x 4 / 10101 x ( 15 + 35 + 63 + 99)
= 10101 x 13 x 4 / 10101 x 212
= 10101 x 52 / 10101 x 212
= 13/53
131313/151515 + 131313/353535 + 131313/636363 + 131313/999999 = ?
2/3-70.10/11.(131313/151515+131313/353535+131313/636363+131313/999999)=-5
3/2x-70 và 10/11: (131313/151515+131313/353535+131313/636363+131313/999999)=-5
tìm x
tim x thuoc Z
2/3. x -70 10/11 : ( 131313/151515 +131313/353535 + 131313/636363 + 131313/999999)= -5
Tìm x biết
3/2.x-70 và 10/11 : (131313/151515+131313/353535+131313/636363+131313/999999)=-5
Cho S= \(\frac{131313}{30303}+\frac{131313}{151515}+\frac{131313}{353535}+\frac{131313}{636363}+\frac{131313}{999999}\)Chứng tỏ rằng: S>5
1,Tìm x:
\(\frac{3}{2}.x-70\frac{10}{11}:\left(\frac{131313}{151515}+\frac{131313}{353535}+\frac{131313}{636363}+\frac{131313}{999999}\right)=-5\)
a) ( x-7).(x+3)<0 với x thuộc Z
b) 3/2.x -70 10/11 (131313/151515+131313/353535+131313/636363+131313/999999) = -5
GIÚP MIK NHA , NHỚ CÓ CÁCH LÀM ĐẤY ĐỦ ĐÓ , AI NHANH MIK TIK NHA
chú ý -70 10/11 là hỗn số
tim x
\(\frac{3}{2}\) .x-\(70\frac{10}{11}\) :(\(\frac{131313}{151515}\) +\(\frac{131313}{353535}\) +\(\frac{131313}{636363}\) +\(\frac{131313}{999999}\) =-5
