填一填。6N7\-E'a0H+}:l.X
5×6=9@1p5i6T(]1[8b4\4B8[:K,A2b:k8~6N7\-E'a0H+}:l.X
口诀：4o5T6c4B6N7\-E'a0H+}:l.X
4×3='\.f/R9P;n3n7e7v6N7\-E'a0H+}:l.X
口诀：:y/l+]-a+b8a4\-d-~*r6N7\-E'a0H+}:l.X
2×4=:f0k-X;t,^9O'R4y'@-U,Y2`/S9i6N7\-E'a0H+}:l.X
口诀：-U.`/A0a*V'i.K7^'W6N7\-E'a0H+}:l.X
5×5-17=*H.q0f/p6N7\-E'a0H+}:l.X
3×2+8=-E(R7e+E(R'f/_6N7\-E'a0H+}:l.X
4×6-9=3m+`9D6A5i*j3]-B2^7U7T.k/C+Z0l/h6N7\-E'a0H+}:l.X