共30题 用时5分钟
29+36=
45+25=
89-6×8 =
80-24=
93-65=
41-3×3 =
51-15=
97-58=
6×8-27 =
26+56=
26+58=
9×8-63 =
60-32=
29+74=
9×6-33 =
69+34=
28+36=
18-9×1 =
46+34=
96-68=
69-1×3 =
26+69=
69-26=
83-9×3 =
68-26=
23+68=
42+6×9 =
47-29=
49+25=
76-3×1 =