\(\dfrac{2}{5}xX=\dfrac{3}{7}\)
\(X=\dfrac{7}{3}:\dfrac{2}{5}\)
\(X=\dfrac{35}{6}\)
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Các câu hỏi tương tự
a) x:1/2=1/3+2/9
b) 2/5xX=3-2/3
c)7/8-x=9/16
4/5xX=10/11 : 3/4=
47x(5xX-15) =0
2+2+2+2+2+2+2+2+3+3+3+3+3+3+3+3+4+4x4+4+4
trả lời ......
99.9% làm sai
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Các phân số 1/3: 1/6: 5/2: 3/2 xếp theo thứ tự tăng dần
a. 1/3; 1/6; 5/2; 3/2 b. 1/3; 5/2; 1/6; 3/2 c. 1/6; 1/3; 3/2; 5/2 d. 1/6; 3/2; 3/2; 5/2
bài 1:
1/4 + 2/3 2/7 + 2/3 2/5 + 1/3 2/3 + 1/2 1/3 + 3/5 4/5 + 1/3
1/8 + 3/4 1/36 + 5/12 1/3 + 1/6 + 1/18.
bài 2:
15/16 - 3/16 17/18 - 5/6 3/4 - 4/9 1/2 - 2/5 5/6 - 3/10 3-1/3
4/5 - 1/10 5/2 - 1 5/8 - 2/5.
cách làm bài 3/2+5/3=, 2/3:5, 9/2-2/3, 3/2 nhân 5/3
A 3/4; 2/3; 4/3
B 4/3; 3/4; 2/3
C 2/3; 3/4; 4/3
4/3; 2/3; 3/4
a) ……………………………3/7 x 4/5…………………………2/5 +3/4 ………………………..……….…..……………………b) ……2/5 : 4……………………………………….…………… ……1/4 + 2………………….……….…………………………c) …2/5 : 2/3……………………………………..…………..…2/3 - 38……………………………………………………………d) 5 - 2/3………………………………………..…..………… 2/5 x 3…………………………………………………………
Đọc tiếp
a) = ……………………………3/7 x 4/5………………………… | 2/5 + 3/4 ………………………..……….…..…………………… |
b) =……2/5 : 4……………………………………….…………… | ……1/4 + 2………………….……….………………………… |
c) =…2/5 : 2/3……………………………………..…………..… | 2/3 - 38…………………………………………………………… |
d) 5 - 2/3………………………………………..…..………… | 2/5 x 3………………………………………………………… |