=>\(x-\dfrac{1}{4}=\dfrac{20}{27}\)
=>\(x=\dfrac{20}{27}+\dfrac{1}{4}\)
=>\(x=\dfrac{107}{108}\)
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Bài 10: Phép nhân phân số
Các câu hỏi tương tự
x-1/4=5/3×4/9
\(A.\dfrac{-15}{28}x\dfrac{7}{25}\\ B.\dfrac{-5}{14}x\dfrac{7}{-3}\\ C.\dfrac{-1}{5}-\dfrac{7}{15}x\dfrac{9}{35}\\ D.\dfrac{-3}{4}-(\dfrac{-1}{2})^2\\ E.\dfrac{-4}{5}-\dfrac{-4}{5}x\dfrac{15}{16}\\F.(\dfrac{3}{4}+\dfrac{-7}{2})x(\dfrac{2}{11}+\dfrac{12}{22})\)
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x-1phần 4=5 phần 3×4 phần 9
3/1×4+5/4×9+7/9×16+5/16×31
Tìm \(x\), biết :
a) \(x-\dfrac{1}{4}=\dfrac{5}{8}.\dfrac{2}{3}\)
b) \(\dfrac{x}{126}=\dfrac{-5}{9}.\dfrac{4}{7}\)
1/3 x 4/5 + 1/3 x 6/5 - 1/3
x-1phần 4=5 phần 6×4 phần 9
1/3 x 1/4 + 1/3 x 6/5 - 1/3