\(\dfrac{1}{6}+\dfrac{2}{3}:\dfrac{2}{5}=\dfrac{1}{6}+\dfrac{10}{6}=\dfrac{1+10}{6}=\dfrac{11}{6}\)
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Các câu hỏi tương tự
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
2/5+2/3+3/4
2/6+3/12
5/6+1/3
1/3+5/12+5/6
5/8+4/7
1/5+5/35
5/8+3/4
1/6+1/3+1/12
1/6+5/24+2/3
7/3+8/7
2/5+1/6
1/7+1/4+6/7+3/4
giúp với
và ai giải được gọi cụ
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.
Tính Nhanh
a) ( 1/2 + 1/3 + 1/4 + 1/5 + 1/6 ) - ( 1/2 + 1/3 + 1/4 + 1/5 )
b) ( 2/3 + 2/4 + 2/5 + 2/6 + 2/7 ) - ( 2/4 + 2/5 + 2/6 + 2/7 + 28 )
Tính :
1/3 + 3/4 + 1/2 =
6/8 + 2/4 + 6/24 =
1/2 + 1/3 + 5/6 =
3/5 + 3/2 + 2 =
4 + 1/2 5/6 + 3 1 + 2/3 3 + 4/5
5 + 3/7 6/8 + 2
a) 2/5+2/3+3/4 b)1/3+5/12+5/6 c)1/6+5/24+2/3 
1) 1/3 x 1/2 x 3/7 2) 5/4 x 1/3 + 1/7 3) 8 x ( 8/9-2/3 ) 4) 5/6 x 48/20 x 1/2 5) ( 2/5 + 3/4 ) x 8 6) 10 x ( 1/2-1/5 )
day phân sô duoc xêp theo thu tu tu be dên lon la : A 3/4 1/6 2/3 4/5 B 1/6 2/ 3/4 5/4 C 2/3 1/6 3/4 5/4 D 5/4 1/6 2/3 3/4