先计算,然后在○里填上“>”“<”或“=”,观察这些题的规律,再写出一个含此规律的等式.
(1)9.6×2.53=______
6.9×3.52=______
9.6×2.53○6.9×3.52
(2)3.9×6.82=______
9.3×2.86=______
3.9×6.82○9.3×2.86
(3)4.2×3.96=______
2.4×6.93=______
4.2×3.96○2.4×6.93
(4)______.