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2022-06-28 18:17:48
1/4 của 100 là: 100 x 1/4 = 25
2022-06-24 17:43:26
a,1234;1243;1324;1342;1423;1432;2134;2143;2341;2314;2431;2413;3421;3412;3124;3142;3214;3241;4123;4132;4231;4213;4321;4312.
2022-06-24 17:42:12
b,(2+3+4+1)x(1000+100+10+1)x6=66660
2022-03-25 20:14:44
2022-01-24 20:21:16
2022-01-24 20:21:16
2022-01-24 20:21:16
2022-01-24 20:21:16