[4/5chia6/5+1/5chia1/x]nhan30-26=54
Những câu hỏi liên quan
Tìm x
( 4/5 : 6/5 + 1/5 : 1/x ) x 30 -26 = 54
\(\left(\dfrac{4}{5}:\dfrac{6}{5}+\dfrac{1}{5}:\dfrac{1}{x}\right)\times30-26=54\)
\(\left(\dfrac{4}{5}\times\dfrac{5}{6}+\dfrac{1}{5}\times x\right)\times30=54+26\)
\(\left(\dfrac{4}{6}+\dfrac{1}{5}\times x\right)\times30=80\)
\(\dfrac{4}{6}+\dfrac{1}{5}\times x=\dfrac{8}{3}\)
\(\dfrac{1}{5}\times x=\dfrac{8}{3}-\dfrac{4}{6}\)
\(\dfrac{1}{5}\times x=2\)
\(x=2:\dfrac{1}{5}\)
\(x=2\times5\)
\(x=10\)
Đúng 1
Bình luận (0)
Tìm x
( 4/5 : 6/5 + 1/5 : 1/x ) x 30 = 26 = 54
`( 4/5 : 6/5 + 1/5 : 1/x ) xx 30 = 26 = 54`
Hai dấu `=` là sao nhỉ ?
Đúng 2
Bình luận (0)
(4/5 : 6/5 + 1/5 :1/x) X 30 - 26= 54
2/3+4/5-5/6
3-3/4+1/6
3/4*2/5chia1/2
7/2chia3*3/2
(4/5 : 6/5 + 1/5 : 1/x) * 30 - 26 = 54
\(\Leftrightarrow\)\(\left(\frac{2}{3}+\frac{x}{5}\right)\)\(\times30-26=54\)
\(\Leftrightarrow20+6x\)\(-26=54\)
\(\Leftrightarrow6x=54+26-20\)
\(\Leftrightarrow6x=60\)
\(\Leftrightarrow x=10\)
Học tốt!
Đúng 0
Bình luận (0)
\(\left(\frac{4}{5}:\frac{6}{5}+\frac{1}{5}:\frac{1}{x}\right)\cdot30-26=54\)
\(\left(\frac{4}{5}\cdot\frac{5}{6}+\frac{1}{5}\cdot x\right)\cdot30=54+26\)
\(\left(\frac{2}{3}+\frac{x}{5}\right)\cdot30=80\)
\(\frac{2}{3}+\frac{x}{5}=80:30\)
\(\frac{2}{3}+\frac{x}{5}=\frac{8}{3}\)
\(\frac{x}{5}=\frac{8}{3}-\frac{2}{3}\)
\(\frac{x}{5}=2\)
\(x=10\)
Đúng 0
Bình luận (0)
\(x=10\)\(nha\)
\(HOK\)\(T~\)
Tìm x
(4/6 : 6/5 + 1/5 : 1/X) x 30 - 26 = 54
1.tìm x
(4/5:6/5+1/5:1/y)*30-26=54
y + y x y x 1/3 : 2/9 + y : 2/7 = 252
(4/5 : 6/5 + 1/5 : 1/y) x 30 - 26 += 54
(4/5 : 6/5 + 1/5 : 1/x) * 30 - 26 = 54
ai đó biết làm ơn chỉ mình cái đang vội
\(\left(\frac{4}{5}:\frac{6}{5}+\frac{1}{5}:\frac{1}{x}\right)\cdot30-26=54\)
\(\left(\frac{2}{3}+\frac{x}{5}\right)\cdot30=54\cdot26\)
\(\left(\frac{2}{3}+\frac{x}{5}\right)\cdot30=1404\)
\(\frac{2}{3}+\frac{x}{5}=1404:30\)
\(\frac{2}{3}+\frac{x}{5}=\frac{234}{5}\)
\(\frac{x}{5}=\frac{234}{5}-\frac{2}{3}\)
\(\frac{x}{5}=\frac{692}{15}\)
\(x=\frac{692}{15}\cdot5\)
\(x=\frac{692}{3}\)
Đúng 1
Bình luận (0)
\(\left(\frac{4}{5}:\frac{6}{5}+\frac{1}{5}:\frac{1}{x}\right)\times30-26=54\)
\(\Leftrightarrow\left(\frac{4}{5}\times\frac{5}{6}+\frac{1}{5}\times x\right)\times30=80\)
\(\Leftrightarrow\frac{2}{3}+\frac{1}{5}\times x=\frac{8}{3}\)
\(\Leftrightarrow\frac{1}{5}\times x=2\)
\(\Leftrightarrow x=2:\frac{1}{5}\)
\(\Leftrightarrow x=2\times5\)
\(\Leftrightarrow x=10\)
Vậy x = 10.
Matcha
\(\left(\frac{4}{5}\div\frac{6}{5}+\frac{1}{5}\div\frac{1}{x}\right)\times30-26=54\)
\(\Leftrightarrow\left(\frac{4}{5}\times\frac{5}{6}+\frac{1}{5}\times\frac{x}{1}\right)\times30=80\)
\(\Leftrightarrow\frac{2}{3}+\frac{x}{5}=\frac{8}{3}\)
\(\Leftrightarrow\frac{x}{5}=2\)
\(\Leftrightarrow x=10\)
Vậy\(x=10\)