62+15＝              54-13＝              84+3+7＝          16+13＝      

68-39＝              86+4+6＝          77-48＝              17+17＝      

46+23+17＝      84-19＝              18+20＝              22+45+15＝      

61-23＝              65+28＝              19+55-15＝          13+69＝      

92-38＝              77+24-18＝          53+18＝              28+15-29＝      

54+49-38＝          +11-21＝          55+20＝              23+25+15＝      

76+11＝              33+26＝              81+15+5＝          12+26＝      

72-19＝              28+18+29＝          68+12＝              27+17＝      

72+17+3＝          88-62＝              85-68＝              34+69-16＝      

69+26-17＝          51-11＝              +17-38＝          46+19＝      

91-2＝              17+63-33＝          92-46＝              82-79＝      

85+17-38＝          55+25＝              67+25＝              83+14+6＝      

82-73＝              83-47＝              43+29+11＝          18+36＝      

28+39＝              86-18-29＝         83-19＝              16+35＝      

17+59-18＝          41-28+39＝          82-28＝              26+27-18＝      

40-21＝              65-37＝              35+46+4＝          46+17＝      

96-29＝              92-36＝              19+42-28＝          40+16＝      

97-＝              +28-19＝          15+47＝              69+22＝      

65+12+8＝          59+17＝              29+49＝              52-44+16＝     

+14＝              19+53+27＝          92-13＝              57+28-16＝      

27+52＝              63+8-29＝          85-46＝              59+17＝      

35+47-27＝         55+39+9＝          73-39＝              90-35＝      

45+38+7＝          57+28＝              73+19＝              86+8+2＝      

36+22＝              22+19＝              +15-39＝          57-48＝      下载本文