A, 63578 < 63859 B, 83982 > 82648C, 73528 > 72546 D, 60728 &G...

Bài 3:

a, 63578 < 63859 b, 83982 > 82648

c, 73528 > 72546 d, 60728 > 60274

e, 82944 - 12834 > 68274 f, 14576 + 15472 < 30278

g, 70000 + 30000 = 100000 h, 90000 - 30000 = 20000 + 40000