2222 × 4444 + 8888 + 8889

2222 × 4444 + 8888 + 8889


2222 × 4444 + 8888 × 8889 일 거 예요.
= 1111 × 2 × 4444 + 8888 × 8889
= 1111 × 8888 + 8888 × 8889
= (1111 + 8889) × 8888
= 10000 × 8888
= 88880000