数字游戏

出题者：ultrasound

(1) ABCDE*4=EDCBA
what are digits A, B, C, D and E?

(2)9 x HATBOX = 4 x BOXHAT
What are digits H, A, T, B, O and X?

A，B，C，D，E，H，T，O，X 都是十进制阿拉伯数字。