tinh bang cach thuan tien nhat
96+78+4 677+969+123+31
tinh bang cach thuan tien 77 +55 +23 +45 =
TINH BANG CACH THUAN TIEN NHAT
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
tinh bang cach thuan tien nhat : 742+316+258
tinh bang cach thuan tien nhat; 25*1357*4; giai ho yui nha
tinh bang cach thuan tien nhat:54×72+54×27+54