直接写出得数。3+7-5=（）2+6-3=

直接写出得数。7a+s2K2X(d;B9C5y9E/G

3+7-5=-R+]6N0u.?0O.\0j0Y7a+s2K2X(d;B9C5y9E/G

2+6-3=4?1{0Y*F6C7~/f.V2}2~)p3|5K7a+s2K2X(d;B9C5y9E/G

12-4-4=9i'i5J8J7a+s2K2X(d;B9C5y9E/G

8+5-3=*I9W3^+?4[4a,D+`7a+s2K2X(d;B9C5y9E/G

9-4+6=8^6b9u:u)[(T'y7a+s2K2X(d;B9C5y9E/G

2+3+5=,h6}/v2J/p+O4h/G;v7M8u8U5}3M7a+s2K2X(d;B9C5y9E/G