在（）里填上正确的数'a;~/o1x'G3a0W/D3w*]
13-9=3+)_+q,_*\8D9Q7u3g,?'a;~/o1x'G3a0W/D3w*]
11-8=1+8X*s+w:C.V'a;~/o1x'G3a0W/D3w*]
15-9=5+*K'P'q2F3Q(o4?(w'a;~/o1x'G3a0W/D3w*]
15-8=5+-I7h0X7W;?8l-B)C'a;~/o1x'G3a0W/D3w*]
12-9=2+4Q7_2^0W4|0s'C.^'J'a;~/o1x'G3a0W/D3w*]
14-8=4+4e.j+W5T4H5w'a;~/o1x'G3a0W/D3w*]
17-9=7+;^(c5|;p6x3L3z/U*G'a;~/o1x'G3a0W/D3w*]
13-8=3++M0e'x1X6P6h7d1a'Z(A+j'a;~/o1x'G3a0W/D3w*]
16-9=6+,X8V(j5A1@6}0e'a;~/o1x'G3a0W/D3w*]
17-8=7+/q*r8[4h2E/o-E0X5H+}8F'u9v4R'a;~/o1x'G3a0W/D3w*]