Toán Lớp 6: a, 4,25 x 57,43 – 325 + 42,57 x 4,25 b, 67,49 : 17 + 32,45 : 2,5
c, (75,6 – 21,7) : 4 + 22,82 x 2
d, 1+1/3+1/9+1/27+1/81
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Comments ( 2 )
= 16,95
= 13,475 + 45,64
= 59,115