A/ 3429:27-2835:27
= (3429-2835):27
=594:27
=22
B/ 165+72+35+28
=(165+35)+(72+28)
=200+100
=300
C/ 5 x 176 x 20
= (5 x 20) x 176
= 100 x 176
=17600
tinh bang cach thuan tien nhat:54×72+54×27+54
tinh bang cach thuan tien nhat; 476*72+476*28
tính bang cach thuan tien nhat
198 x 27 + 198 x 72 + 198
tinh bang cach thuan tien nhat
[72 x 135 + 9 x 28 x 15 ] : 25-3500 : 25
( 5 + 10 + 15 + 20 + 25 + 30 + 35 ) x ( 42 - 6 x 7 )
tinh bang cach thuan tien nhat
tinh bang cach thuan tien nhat
28 nhan 4720 cong 71 nhan 4720 cong 4720
cam on
TINH BANG CACH THUAN TIEN NHAT
TINH BANG CACH THUAN TIEN NHAT
1/6 + 1/12 +1/ 20 + 1/30
tinh bang cach thuan tien nhat
( 135 * 25 ) : 5
