在()里填上“+”、“-”、“×”、“÷”。/|0n1c8`2q;y
48L0X/|8I:K(H4=1/|0n1c8`2q;y
3请选择√×1P*B0a7j3t3=9/|0n1c8`2q;y
24(N-U){:{6h/g1?,]4=6/|0n1c8`2q;y
6请选择√×/z+{4m-d5d4f*G6^6U5z.I0=0/|0n1c8`2q;y
5;|1S-R*@5=10/|0n1c8`2q;y
150o'@(E'E9k1`:d1v5M.N8=7/|0n1c8`2q;y
25+r3h1O*^6C7a']5=20/|0n1c8`2q;y
209w;e4K.j+w9P5v8y'Z2K0U+C4=5/|0n1c8`2q;y