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Khôi Lê Trọng Minh
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2024-01-13 20:55:00
a) 2,5 x 8,7 x 4= 10 x 8,7= 87
b) 2,735 + 1,248 +3,265 + 4,752= 2,735+3,265+1.248+4,752=6+6=12
c) 4/13 x 2/3 x 13/4 x 3/2= 4/13 x 13/4 x 2/3 x 3/2= 1x1=1