A.100100728046054B.10001000C.1000100ABCA.496B.5062C.4973A.80700B.8C.799999A.1000B.10000C.9990四年级上册读数和写数专项练习题一、选择题(每题分)270000050=1001001446000000046C500620001C6006606001A50602000B50060200094882308A72000B10000C10A60600060B6000606011202208000020020800020200800020002800012131001000100115A10000000B10000001C1111111116A10B100C1000175400000A54B540C54018600600606000AB=C192095000A209B210C211二、…)283000031010400054081164800301754080540791816000600019505005020三、填空题。(每空分)12135071517800980000359809800940000+5000+800+2 二1011161900017800980000123845003100999914172345633050004015126542654000021020102000001612172246130041000000002654001000229888910000013569999240800004908000001780098000035308450529889941020405010301000520920021657181150000312000000