(5ᐧ3+2ᐧ5)的平方计算过程?

2025-03-07 06:00:03
推荐回答(1个)
回答1:

(5✔3+2✔5)²
=(5✔3)²+2×5✔3×2✔5+(2✔5)²
=75+20✔15+20
=95+20✔15