在()里填上“+”、“-”或“×”,使等式成立。:f:C9M;@9v+g(E
(1)1请选择√×3x6B(X;q/r6I21r.?-G;D4d8\2S1K7h:F3;L2h/o2c7|4r0[3Q4=1:f:C9M;@9v+g(E
(2)1请选择√×/s9s-J/S,U3Y;Q3E.L2s+m9t/U1)r9[(\'h4m8W8y,A(\10s3_9['~1=1:f:C9M;@9v+g(E
(3)5请选择√×7\+l2t6j/k1?4_3C5.]7j3J8`54W*E(N2x:_'P3x8s(K'\5o0m'K5=15:f:C9M;@9v+g(E
(4)5请选择√×7V*R,T;{/|(v2N5.\,p;B5}6z9d5i:w5,b'|9L7E:B/H3~5=25:f:C9M;@9v+g(E
算式:提示9t0j:N5O:R8d5s;{1W'{.R)z:f:C9M;@9v+g(E