三位数加减法计算题练习加法题:844+932=199+398=801+60=814+551=75+505=481+21=665+108=729+108=306+812=28+911=263+206=644+64=537+385=310+534=861+146=558+321=502+257=357+423=459+86=473+577=333+530=139+312=323+291=387+833=764+103=686+236=621+231=302+355=195+676=268+425=519+171=216+612=160+248=515+449=118+377=365+468=485+367=154+602=421+554=536+143=486+414=106+557512+467=减法题:797-338=716-316=983-327=825-332=548-430=783-460=898-584=830-54=979-605=897-727=750-253=659-567=577-545=641-353=940-456=979-488=680-502=637-631=911-75=876-648=599-481=834-776=569-366=975-883=894-862=958-669=765-246=804-396=190-107=787-182=996-819=298-291=977-253=896-231=960-39=537-309=脱式计算844+932-226199+398+456801+60-78814+551-45075+505-320481+21-420665+1000-133729+80-233306+812-56228+911-78263+206+352644+64+123537+385-230310+534-368797-338-274716-316-274983-327+368825-332+368548-430+368783-460+368898-584+123830-54+368979-605-274897-727+123750-253+368659-567-274577-545+368641-353+123940-456+368979-488+143680-502+368637-631+143911-75-274876-648+123599-481+368834-776+247569-366+247975-883+143894-862+368958-669-199
