Các câu hỏi tương tự
Giai phuong trinh
\(a,\frac{1}{2x-3}-\frac{3}{x\left(2x-3\right)}=\frac{5}{x}\)
\(b,\frac{x+2}{x-2}-\frac{1}{x}=\frac{2}{x\left(x-2\right)}\)
\(c,\frac{x+1}{x-2}+\frac{x-1}{x+2}=\frac{2\left(x^2+2\right)}{x^2-4}\)
\(d,\left(2x+3\right)\left(\frac{3x+8}{2-7x}+1\right)=\left(x-5\right)\left(\frac{3x+8}{2-7x}+1\right)\)
\(\frac{\left(x-2\right)^2}{3}-\frac{2x-1}{4}=4-\frac{\left(2x-3\right)^2}{6}\)
Giai phuong trinh
\(\frac{\left(x-2\right)^2}{3}-\frac{2x+1}{4}=4-\frac{\left(2x-3\right)^2}{6}\)
Giai phuong trinh
Giải bất phương trình
a, \(5+\frac{x+4}{5}< x=\frac{x-2}{2}+\frac{x+3}{3}\)
b, \(x+1-\frac{x-1}{3}< \frac{2x+3}{3}\frac{x}{3}+5\)
c, \(\frac{\left(x-3\right)^2}{3}-\frac{\left(2x-1\right)^2}{12}\le x\left(x+1\right)\)
d, \(\frac{2x-3}{4}-\frac{x+1}{3}\ge\frac{1}{2}-\frac{3-x}{5}\)
text{Giải các bất phương trình sau:}left(x+2right)^2-3left(x-1right)xleft(x-1right)-5left(x-1right)left(x+1right)-2left(2x+3right)leleft(x-2right)^2+xfrac{x+2}{3}+frac{x+3}{4}x-frac{x-1}{6}frac{2x-1}{4}-frac{3x+2}{5}le2+frac{x-4}{10}frac{3x+5}{2}-frac{4x-3}{3}ge-1
Đọc tiếp
\(\text{Giải các bất phương trình sau:}\)
\(\left(x+2\right)^2-3\left(x-1\right)>x\left(x-1\right)-5\)
\(\left(x-1\right)\left(x+1\right)-2\left(2x+3\right)\le\left(x-2\right)^2+x\)
\(\frac{x+2}{3}+\frac{x+3}{4}>x-\frac{x-1}{6}\)
\(\frac{2x-1}{4}-\frac{3x+2}{5}\le2+\frac{x-4}{10}\)
\(\frac{3x+5}{2}-\frac{4x-3}{3}\ge-1\)
2 tháng 7 2020 lúc 17:37
ĐẠI SỐ 1. Giải các phương trình sau :a) frac{25x-655}{95}-frac{5left(x-12right)}{209}frac{89-3x-frac{2left(x-18right)}{5}}{11}b) frac{8left(x+22right)}{45}-frac{7x+149+frac{6left(x+12right)}{5}}{9}frac{x+35+frac{2left(x+50right)}{9}}{5}c) frac{x+frac{2left(3-xright)}{5}}{14}-frac{5x-4left(x-1right)}{24}frac{7x+2+frac{9-3x}{5}}{12}+frac{2}{3}2. Giải các bất phương trình sau :a) 5+frac{x+4}{5} x-frac{x-2}{2}+frac{x+3}{3}b) x+1-frac{x-1}{3} frac{2x+3}{2}+frac{x}{3}+5c) frac{left(3x-2right)^2}{3}-fr...
Đọc tiếp
ĐẠI SỐ
1. Giải các phương trình sau :
a) \(\frac{25x-655}{95}-\frac{5\left(x-12\right)}{209}=\frac{89-3x-\frac{2\left(x-18\right)}{5}}{11}\)
b) \(\frac{8\left(x+22\right)}{45}-\frac{7x+149+\frac{6\left(x+12\right)}{5}}{9}=\frac{x+35+\frac{2\left(x+50\right)}{9}}{5}\)
c) \(\frac{x+\frac{2\left(3-x\right)}{5}}{14}-\frac{5x-4\left(x-1\right)}{24}=\frac{7x+2+\frac{9-3x}{5}}{12}+\frac{2}{3}\)
2. Giải các bất phương trình sau :
a) \(5+\frac{x+4}{5}< x-\frac{x-2}{2}+\frac{x+3}{3}\)
b) \(x+1-\frac{x-1}{3}< \frac{2x+3}{2}+\frac{x}{3}+5\)
c) \(\frac{\left(3x-2\right)^2}{3}-\frac{\left(2x+1\right)^2}{3}\le x\left(x+1\right)\)
d) \(\frac{2x+3}{4}-\frac{x+1}{3}\ge\frac{1}{2}-\frac{3-x}{5}\)
giai phuong trinh
c) \(\frac{4x}{x^2+4x+3}-1=6\left(\frac{1}{x+3}-\frac{1}{2x+2}\right)\)
d) \(\frac{3}{2x+1}=\frac{6}{2x+3}+\frac{8}{4x^2+8x+3}\)
1. Cho a,b ge0 và a+ble2 . Chứng minh frac{2+alpha}{1+alpha}+frac{1-2b}{1+2b}gefrac{8}{7}2. Tìm x: frac{frac{2x-1}{2}-3}{4}-frac{4-frac{1+2x}{3}}{2}frac{5-frac{1}{2}X}{6}-33.tìm x: left(x-2right)^2-3left(x-1right)+2x^2left(x-1right)left(2x+1right)^2+2left(x^3-2right)4. Rút Gọn B left(frac{X+2}{X+1}-frac{2X}{X-1}right)divfrac{X}{3X+3}+frac{4X^2+X+7}{X^2-X}
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1. Cho a,b \(\ge\)0 và a+b\(\le\)2 . Chứng minh \(\frac{2+\alpha}{1+\alpha}+\frac{1-2b}{1+2b}\ge\frac{8}{7}\)
2. Tìm x: \(\frac{\frac{2x-1}{2}-3}{4}-\frac{4-\frac{1+2x}{3}}{2}=\frac{5-\frac{1}{2}X}{6}-3\)
3.tìm x: \(\left(x-2\right)^2-3\left(x-1\right)+2x^2\left(x-1\right)=\left(2x+1\right)^2+2\left(x^3-2\right)\)
4. Rút Gọn B = \(\left(\frac{X+2}{X+1}-\frac{2X}{X-1}\right)\div\frac{X}{3X+3}+\frac{4X^2+X+7}{X^2-X}\)
giai phuong trinh
a)\(\frac{x+1}{x-1}-\frac{x-1}{x+1}=3x\left(1-\frac{x-1}{x+1}\right)\)
b)\(x^4+5x^3+12x^2+5x+13=0\)
c)\(\frac{3x-1}{x-1}-\frac{2x+5}{x+3}+\frac{4}{x^2+2x-3}=1\)