Tinh gia tri bieu thuc bang cach thuan tien nhat :
A= 1/10 x 2/9 x 3/8 x 4/7 x 5/6 x 6/5 x 7/4 x 8/3 x 9/2
tinh bang cach thuan tien nhat : 1+2-3-4+5+6-7-8+9+...+2013+2014-2015-2016
Tinh bang cach thuan tien nhat:
a/ 7,8 x 34,5 + 15,5 x 7,8
b/ 3/7 x 11/5 + 4/7 x 11/5
tinh bang cach thuan tien nhat
8,12 x 6 + 16,24 x 4 - 4,06 x 8
tinh bang cach thuan tien nhat
a 4 / 2 x 4 + 4 / 4 x 6 + 4 / 6 x 8 + ...... + 4 / 96 x 98
tinh bang cach thuan tien
(x+5)+(x+6)+(x+7)+(x+8)=58
giup minh nhe minh can gap
Tinh bang cach thuan tien nhat:
a) 1/3 + 1/4 + 2/3 + 3/4
b) 1/2 + 1/3 - 1/5 + 1/6
c) 2/3 x 4/5 + 1/3 x 4/5
d) 2/3 x 4/5 - 1/3 x 4/5
6/5+7/6+8/7+......+2008/2007
Day la bai tinh bang cach thuan tien nhat nhe.
Cach ban chi cho minh cach lam va ket qua nhe.
Cam on cac ban nhieu.
Tinh bang cach thuan tien nhat
2 phan 9+1 phan 5 +7 phan 9 +4 phan 5