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时间:2024-03-01 02:42:40 下载该word文档
7×7= 16+7= 4+29= 16-3= 22-17=
84-2= 60-4= 11+20= 4×3= 30+8=
60-7= 2×4= 36-5= 84+4= 52-3=
71+9= =
70-5= =
30-3= 4=
25+4= =
95-40= 81=
70+30= =
16+11= 13-2= 19=
14+8=
88-4= ×9= 6432+6= 4×5= -2= ×7= 53= 7 7×8= = 76+0= +6= 65 29-7= 87+10= 396×8= +6= ×4= 13-125-5= +7= 9×3= 18