a , 72 , 9 * 99 + 72 + 0 , 9
= 72 , 9 * 99 + 7 2 , 9
= 72 , 9 * ( 99 + 1 )
= 72 , 9 * 100
= 7290
a , 0 , 8 * 96 + 1 , 6 * 2
= 0 , 8 * 96 + 0 , 8 * 2 * 2
= 0 , 8 * 96 + 0 , 8 * 4
= 0 , 8 * ( 96 + 4 )
= 0 , 8 * 100
= 80
Tinh bang cach thuan tien:
0,8 x 96 + 1,6 x 2
tinh bang cach thuan tien
0,8 nhan 96 +1,6 nhan 2
1. tinh bang cach thuan tien nhat
a.46,5 + 16,8 -0,8
tinh bang cach thuan tien nhat
7 phan 11 + 3 phan 4 + 4 phan 11 + 1 phan
72 phan 99 - 28 phan 99 - 14 - 99
tinh bang cach thuan tien nhat
7 phan 11 + 3 phan 4 + 4 phan 11 + 1 phan4
72 phan 99 - 28 phan 99 - 14 phan 99
tinh bang cach thuan tien nhat :
23,45 : 12,5 :0,8
Tinh bang cach thuan tien nhat
20, 11×96+20, 11:0, 25
Tinh bang cach thuan tien nhat. Viet ket qua duoi dang so thap phan:
\(\dfrac{36\times48}{96\times72}=...=...\)
tinh bang cach thuan tien nhat
a 4 / 2 x 4 + 4 / 4 x 6 + 4 / 6 x 8 + ...... + 4 / 96 x 98
