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0
2022-08-14 14:49:09
817 x 15 + 817 + 817 x 84
=817 x 15 + 817 x 1 + 817 x 84
= 817 x ( 15+1+84)
= 817 x 100
=81700
nếu 0 hiểu thì đọc kĩ nha
2022-04-20 21:48:19
2022-04-20 21:47:36