x-2\(\frac{1}{4}\)=3\(\frac{1}{2}\)
x-\(\frac{9}{4}\)=\(\frac{7}{2}\)
x = \(\frac{7}{2}\)+\(\frac{9}{4}\)
x = \(\frac{23}{4}\)
các câu còn lại, bạn tự làm nhé
X - 2 1/4 = 3 1/2 X + 2 3/4 = 5 2/3 3 1/2 : X = 1 3/5 X : 1 1/2 = 2 2/5
X - 9/4 = 7/2 X + 11/4 = 17/3 7/2 : X = 8/5 X : 3/2 = 12/5
X = 7/2 + 9/4 X = 17/3 - 11/4 X = 7/2 : 8/5 X = 12/5 x 3/2
X = 13/4 X = 35/12 X = 35/16 X = 18/5
Nhớ tíck cho mik nha
Sai chỗ nào thì bảo mik
cảm ơn bn Phạm Thị Bích
\(x-2\frac{1}{4}=3\frac{1}{2}\)
\(x-\frac{9}{4}=\frac{7}{2}\)
\(x=\frac{7}{2}+\frac{9}{4}\)
\(x=\frac{9}{2}\)
\(x+2\frac{3}{4}=3\frac{1}{2}\)
\(x+\frac{11}{4}=\frac{7}{2}\)
\(x=\frac{7}{2}-\frac{11}{4}\)
\(x=\frac{3}{4}\)
\(3\frac{1}{2}:x=1\frac{3}{5}\)
\(\frac{7}{2}:x=\frac{8}{5}\)
\(x=\frac{7}{2}:\frac{8}{5}\)
\(x=\frac{35}{16}\)
\(x:1\frac{1}{2}=2\frac{2}{5}\)
\(x:\frac{3}{2}=\frac{12}{5}\)
\(x=\frac{12}{5}\times\frac{3}{2}\)
\(x=\frac{36}{10}\)