Các câu hỏi tương tự
tinh bang cach thuan tien nhat
a. 27 phan 11 nhan 22 phan 17 nhan 68 phan 63.
b. 5 phan 14 phan 7 phan 13 nhan 26 phan 25.
21/11 × 22/17× 68/63
5/14 × 7/13 × 26/25
Tinh thuab tien nhe
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:
a)21/11x22/17x68/63
b)5/14x7/13x26/25
a] 21/11 * 22/17 * 68/63
b] 5/14 * 7/13 * 26/25
A) 21/11 * 22/17 * 68/63
B)5/14 * 7/13 * 26/25
Giup mik cau nay voi , Tinh = cach thuan tien nhat :
7/11+(7/15+5/11)
Tinh bang cach thuan tien:
a)5.6 x 2 + 2.8 x 8 + 5.6x4
b) 0.2468 + 0.08 x 0.4 x 12.5 x 2.5 + 0.7532
Cac ban giup mik nha..
cho day so sau:
1,20+ 3,26+7,20+5,26+9,20+13,26+6,20+28,26
cac ban tinh giup minh bang cach thuan tien nhat nha, biet rang tong cac chu so deu bang nhau.