tinh bang thuan tien 56x4+56x3+56x2+56
Tinh bang cach thuan tien nhat
( 48 + 32 + 56 ) : 8
Tinh bang cach thuan tien nhat
320 x 25 + 125 x 56
TINH BANG CACH THUAN TIEN NHAT
tinh bang cach thuan tien 2x3x4x5
Tinh bang cach thuan tien 50056456+56442424455x2
Tinh bang cach thuan tien nhat:25x20x125x8-8x20x5x125
tinh bang cach thuan tien nhat; 476*72+476*28
tinh bang cach thuan tien nhat; 54*342-44*342