

Vũ Lâm Ngọc Hân
Giới thiệu về bản thân
Chào mừng bạn đến với trang cá nhân của Vũ Lâm Ngọc Hân





0





0





0





0





0





0





0
2024-11-01 20:16:02
a) 571+216+129+124= (571+129)+(216+124)=700+340=1040
b)27.74+26.27-355=(74+26).27-355=100.27-355=2700-355=1355
c)100:{250:[450-(4.5³-2².25)]}=
100:{250:[450-(4.125-4.25)}
100:{250:[450-400]}
100:{250:50}
100:5
20
2024-11-01 19:56:00
a) những số chia hết cho 2 là:320 ;4914
b) những số chia hết cho 5 là:320;2315
c) những số chia hết cho 3 là:90543
d) những số chia hết cho 2; 3; 5; 9 là:2315