1、801+60= 814+551= 75+505= 195+676= 844+932= 680-502= 637-631= 911-75= 876-648= 599-481= 300 29 = 645 91 = 164 55 = 106 54 = 737 64 = 28932= 56743= 32868= 87525= 85247= 199+398= 481+21= 665+1000= 729+808= 306+812= 897-727= 750-253= 659-567= 577-545= 641-353= 867 21 = 587 19 = 513 36 = 776 95 = 319 46
2、= 35689 = 19728= 45738= 86272= 54694= 28+911= 263+206= 644+64= 537+385= 310+534= 940-456= 979-488= 834-776= 569-366= 975-883= 87547= 54972= 37548= 37549= 78148= 637 84 = 748 85 = 646 63 = 501 34 = 333 45 = 861+146= 558+321= 502+957= 857+423= 459+86= 797-338= 716-316= 983-327= 825-332= 548-430= 586 53 = 367 82 = 909 78 = 119 37 = 419 38 = 79832= 45243= 32874= 74132= 28932= 473+577= 733+530= 139+312= 323+291= 387+833= 783-460= 898-584= 830-54= 979-605= 964-103= 13589= 19727= 32838= 56791= 45368= 784 20 = 374 30 = 203 94 = 789 96 = 501 55 =