三位数加减法计算题练习844+932= 199+398= 968+825= 814+551= 75+505=801+60= 481+21= 263+206= 306+812= 865+868=665+1000= 729+808= 28+911= 644+64= 558+321=537+385= 310+534= 861+146= 502+957= 857+423= 569-366= 680-502= 750-253= 783-460= 387+833= 459+86= 473+577= 733+530= 139+312= 323+291= 964+103= 686+936= 921+231= 302+355= 195+676= 519+171= 216+612= 160+248= 515+449= 118+377= 797-338= 716-316= 983-327= 825-332= 548-430= 898-584= 830-54= 979-605= 897-727= 659-567= 577-545= 641-353= 940-456= 979-488= 637-631= 911-75= 876-648= 599-481= 834-776= 975-883= 脱式计算844+932-226 199+398+456 801+60-78814+551-450 75+505-320 481+21-420665+1000-133 729+80-233 306+812-56228+911-78 263+206+352 644+64+123537+385-230 310+534-368368 797-338-274-274716-316-274-274 983-327+368368 825-332+368368548-430+368368 783-460+368368 898-584+123830-54+368368 979-605-274-274 897-727+123750-253+368368 659-567-274-274 577-545+368368641-353+123 940-456+368368 979-488+143680-502+368368 637-631+143 911-75-274-274876-648+123 599-481+368368 834-776+247+247569-366+247+247 975-883+143 894-862+368368用竖式计算并进行验算597+324= 978-199= 467+333= 468-357= 569-367= 358+531= 785-436= 579-436= 258+648= 467-358= 258-138= 653+259= 368-233= 136+845= 357+458= 703-409= 809-682= 526-437=238+196= 1000-562= 684-489=