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
1,Tìm x:
\(\frac{3}{2}.x-70\frac{10}{11}:\left(\frac{131313}{151515}+\frac{131313}{353535}+\frac{131313}{636363}+\frac{131313}{999999}\right)=-5\)
2/3-70.10/11.(131313/151515+131313/353535+131313/636363+131313/999999)=-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
131313/151515 + 131313/353535 + 131313/636363 + 131313/999999 = ?
131313 +131313+131313+131313
151515+353535+636363+999999
tìm x biết:
a/ 3/2*x-70/10/11:(131313/151515+131313/353535+131313/999999)=-5
b/ 0,25*x*(8/5:1/1/2+1/50)=7/50*(2,91+0,09)*4
c/ (2/11*13+2/13*15+...+2/19*21) *462-(0,04:(x + 1,05)):0,12=19
Cho S= \(\frac{131313}{30303}+\frac{131313}{151515}+\frac{131313}{353535}+\frac{131313}{636363}+\frac{131313}{999999}\)Chứng tỏ rằng: S>5