\(=\frac{15}{60}+\frac{12}{60}+\frac{10}{60}\)
\(=\frac{17}{60}+\frac{10}{60}\)
\(=\frac{37}{60}\)
\(\frac{1}{4}+\frac{1}{5}+\frac{1}{6}\)
\(\frac{15}{60}+\frac{12}{60}+\frac{10}{60}\)
\(\frac{17}{60}+\frac{20}{60}\)
\(\frac{37}{60}\)
\(=\frac{15}{60}+\frac{12}{60}+\frac{10}{60}\)
\(=\frac{17}{60}+\frac{10}{60}\)
\(=\frac{37}{60}\)
\(\frac{1}{4}+\frac{1}{5}+\frac{1}{6}\)
\(\frac{15}{60}+\frac{12}{60}+\frac{10}{60}\)
\(\frac{17}{60}+\frac{20}{60}\)
\(\frac{37}{60}\)
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
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 )
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.
bài 1 : tính :
6/7 + 5/8
3/5 - 58
1/4 + 5/6
4/9 - 1/6
Tính nhanh bằng cách rút gọn rồi tính:
a.(1/2+1/3+1/4+1/5+1/6+1/7+1/8+1/9)-(1/3+1/4+1/5+1/6+1/7+1/8+1/9+1/10)
b.(1/2-1/3)+(1/3-1/4)+(1/4-1/5)+(1/5-1/6)+(1/6-1/7)+(1/7-1/8)
Ai nhanh mình tick cho!
1+1+1+1+1+2+3+4+5+6+7+8+9+10 x 1+1+1+1+1+2+3+4+5+6+7+8+9+10 +1+1+1+1+1+2+3+4+5+6+7+8+9+10 - 10 x 9 - 9 + 45 +46 +47 =
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
1/2*3+1/3*4+1/4*5+1/5*6+1/6*7+1/7*8
a. 1/5 x 1/2 : 3/10 =
b. 2/3 : 6/5 : 2/9 =
c. 6/4 : 1/4 - 8/5 =
d. 0 : 4/5 x 6/9 =