\(\dfrac{5}{6}+\dfrac{1}{2}:\dfrac{3}{4}\)
\(=\dfrac{5}{6}+\dfrac{1}{2}\times\dfrac{4}{3}\)
\(=\dfrac{5}{6}+\dfrac{2}{3}\)
\(=\dfrac{5}{6}+\dfrac{4}{6}\)
\(=\dfrac{9}{6}=\dfrac{3}{2}\)
\(\dfrac{5}{6}+\dfrac{1}{2}:\dfrac{3}{4}\)
\(=\dfrac{5}{6}+\dfrac{1}{2}\times\dfrac{4}{3}\)
\(=\dfrac{5}{6}+\dfrac{2}{3}\)
\(=\dfrac{5}{6}+\dfrac{4}{6}\)
\(=\dfrac{9}{6}=\dfrac{3}{2}\)
TÍNH
5/6-1/2x 3/4
Bài 1. Tính
5/9 + 7/18
3 - 5/6
5/4 x 6/7
2 : 5/8
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
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
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 :
1/3 + 3/4 + 1/2 =
6/8 + 2/4 + 6/24 =
1/2 + 1/3 + 5/6 =
3/5 + 3/2 + 2 =
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 )
Dãy phân số được xếp từ bé đến lớn là (Kèm thêm lời giải thích thì càng tốt nha):
A. 3/4 ; 1/6 ; 2/3 ; 5/4
B. 1/6 ; 2/3 ; 3/4 ; 5/4
C. 2/3 ; 1/6 ; 3/4 ; 5/4
D. 5/4 ; 1/6 ; 2/3 ; 3/4
Tính nhanh
10+2+4+6+8+20
1/3 + 1/6 + 4/3 + 2/6 + 2/3 + 5/6