41 / 27 x 13 / 18 - 13 / 18 x 14 / 27 = ( 41 / 27 - 14 / 27 ) x 13 / 18 = 27 / 27 x 13 / 18 = 1 x 13 / 18 = 13 / 18
tinh bang cach thuan tien 3/5 x 7/9 + 11/9 x 3/5 - 3/10. B 14/13 : 1/2 + 3/13 x2 -2 x 7/13
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.
tinh bang cach thuan tien nhat:(198,08 x 23,56 + 165,9 : 27) x (25,07 x 3 - 75,21) + 8,8
tinh bang cach thuan tien nhat:
(198,08 x 23,56 + 165,9 : 27) x (25,07 x 3 - 75,21) + 8,8
tinh bang cach thuan tien :
9/8 + 14/27 + 1/9
Tinh bang cach thuan tien
14/15 : 7/20 = ...
9/8 : 27/16 = ...
144 x 4+18 x 46 x 8 - 44x 32 - 44x 58
Tinh bang cach thuan tien nha
tinh bang cach thuan tien nhat : 2+6+10+14+18+...+30+34+38+42+46
Tinh bang cach thuan tien nhat 4/15+8/13+11/5+5/13
