476x72+476x28
=476x(72+28)
=476x100
=47 600
tinh bang cach thuan tien nhat
[72 x 135 + 9 x 28 x 15 ] : 25-3500 : 25
tinh bang cach thuan tien nhat:54×72+54×27+54
tinh bang cach thuan tien nhat
28 nhan 4720 cong 71 nhan 4720 cong 4720
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TINH BANG CACH THUAN TIEN NHAT
Tinh bang cach thuan tien nhat:25x20x125x8-8x20x5x125
tinh bang cach thuan tien nhat; 54*342-44*342
tinh bang cach thuan tien 72 x2 72x3 72 x5
tinh bang cach thuan tien nhat.
a, 1357 x 28 + 73 x 1357 - 1357.
b, 121 + 125 + 129 + 133 +137 + 141 + 145 + 149 + 153.
tinh bang cach thuan tien nhat : 742+316+258
