人教版小学四年级上册数学口算笔算练习题姓名:时间:分数:6150=7146=5312=2553=2712=1632=4890=9283=7198=4994=1763=3124=3091=9048=2855=6218=6985=1738=7262=8603=2096=1349=4774=1223=9267=6172=7963=9319=7381=1206=7959=3918=2675=4064=4692=3994=4248=3122=1507=3663=4788=6835=7832=6513=5704=5419=8644=5389=6559=7971=5442=9474=5460=4379=4304=5976=5477=4898=1624=2867=2696=5084=2283=7735=8085=7057=1020=9592=8087=9143=2036=1685=2279=2447=1248=9876=5690=6182=7444=3228=2125=7712=1953=8714=5055=2687=3045=6217=6937=1427=5584=2325=8417=7943=9923=4236=7328=9704=2022=6706=