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NUMBERSFROM10TO99PLAY1/2020233819516479869512594294513729twenty-nine29Clicktheapplecorrespondingtothewordnext2/2072338475164798695...
1、列竖式计算。43+28=37+17=12+68=2、算一算，参加兴趣小组的人数。（单位：人）3、小白兔拔了16个萝卜，小灰兔拔的和小白兔的同样多，他...
