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0
2022-04-25 20:55:37
a,59>57//b,89=89//c,98<99
2022-04-25 20:52:56
2022-04-25 20:51:09
2022-04-25 20:46:49
3 tam giác , 7 đoạn thẳng , 3 tứ giác
2022-04-25 20:42:16
2022-04-25 20:41:43
là thứ 2
2022-04-25 20:32:12
0 con
2022-04-25 20:31:02
chiều dài là 80:2x3=120 dt cả thửa ruộng là (80+120)x2=400 ng ta thu được số ta thóc là 400x50:100=200kg (200kg=2 tạ thóc)
2022-04-25 20:23:04