Question

666✘444 +333✘112用简便方法的算法？

Answer 1

666*444+333*112
=333*2*444+333*112
=333*（888+112）
=333*1000
=333000

Answer 2

666×444＋333×112
＝333×2×444＋333×112
＝333×888＋333×112
＝333×(888＋112)
＝333×1000
＝333000