4+?=6,7+?=12,17+?=35
?-4=5,?-17=17,?-12=27
44-?=22,48-?=29,80-?=46
22+25=?,37+44=?,46+34=?
3*5=?,4*5=?,5*5=?
---
?+23=74-36,?-28=16+22
14+?+42=77,25+18+12+23=?
29+?=32-?,14+25+13-39=?
?-32=?+32,100-25-27-23=?
迟日江山丽