Các câu hỏi tương tự
Tìm x:
\(\frac{x-13}{87}+\frac{x-27}{73}+\frac{x-67}{33}+\frac{x-73}{27}=4\)
Tìm x, biết:
\(1\frac{3}{5}+\left(\frac{\frac{2}{7}+\frac{2}{17}+\frac{2}{37}}{\frac{5}{7}+\frac{5}{17}+\frac{5}{37}}\right).x=\frac{16}{5}\)
Bài1:Thực hiện phép tính(tính nhanh nếu có thể)
A=21.72-11.72+90.72+49.125.16
\(B=\frac{2}{15}+\frac{2}{35}+\frac{2}{63}+\frac{2}{99}+...+\frac{2}{899}\)
C=1.2+2.3+3.4+......+99.100
Bài2:Tìmx, biết:
a)\(|x+3|=\frac{-27}{11}.\frac{22}{-9}\)
b)(x-3).(2x-7)=0
c)(x-1)+(x-2)+(x-3)+.......+(x-100)=4950
1\(\frac{6}{41}\)x (\(\frac{12+\frac{12}{19}-\frac{12}{37}-\frac{12}{53}}{3+\frac{1}{3}-\frac{3}{37}-\frac{3}{53}}\)x\(\frac{4+\frac{4}{17}+\frac{4}{19}+\frac{4}{2006}}{5+\frac{5}{17}+\frac{5}{19}+\frac{5}{2000}}\))x\(\frac{124242423}{237373735}\)
Tìm x, biết rằng:
\(\frac{\frac{2}{7}+x+\frac{2}{17}-\frac{2}{293}}{\frac{3}{7}+\frac{3}{5}+\frac{3}{17}-\frac{3}{293}}-\frac{2}{3}=0\)
Tìm x biết
a) \(\frac{x+5}{95}+\frac{x+10}{90}+\frac{x+15}{85}+\frac{x+20}{80}=-4\)
b) \(\frac{x-13}{87}+\frac{x-27}{73}+\frac{x-67}{33}+\frac{x-73}{27}=4\)
Giúp mình với !!!!!!!!!!!
Đúng;cách giải rõ ràng sẽ tick
Tìm x:
a)\(5\frac{8}{17}:x+\frac{-4}{17}:x+3\frac{1}{7}:17\frac{1}{3}=\frac{4}{11}\)
b)\(-1\frac{5}{27}-\left(3x-\frac{7}{9}\right)^3=\frac{-24}{27}\)
Tìm x, biết:
\(\frac{x+1}{65}+\frac{x+3}{63}=\frac{x+5}{61}+\frac{x+7}{59}\)
\(\frac{x+29}{31}-\frac{x +17}{33}=\frac{x+17}{43}-\frac{x+15}{45}\)
Tìm x
a)\(\left(\frac{1}{24.25}+\frac{1}{25.26}+...+\frac{1}{29.30}\right).120+x:\frac{1}{3}=-4\)
b)\(1\frac{3}{5}+\left(\frac{\frac{2}{7}+\frac{2}{17}+\frac{2}{37}}{\frac{5}{7}+\frac{5}{17}+\frac{5}{37}}\right).x=\frac{16}{5}\)