O+囗=45 O=( ) 囗+ ☆=62 囗= ( ) ☆ +O=43 ☆= ( ) (2)囗+O=400 O=( ) 囗= O+O+O+O+ 囗

问题描述:

O+囗=45 O=( ) 囗+ ☆=62 囗= ( ) ☆ +O=43 ☆= ( ) (2)囗+O=400 O=( ) 囗= O+O+O+O+ 囗

(1)O+囗=45 O=(13 ) 囗+ ☆=62 囗= ( 32) ☆ +O=43 ☆= ( 30)
(2)囗+O=400 O=(80 ) 囗= O+O+O+O 囗=(320)