奥数 > 小学试题库 > 口算题 > 三年级口算题 > 正文
2018-08-23 15:12:26
新万博体育下载:小学三年级口算练习题(三十九)
57+52 = 12+32 = 90-10 = 34+20 = 92-22 =
22+17 = 23+99 = 65+27 = 63+19 = 84+22 =
98-6 = 42-32 = 56-1 = 89+65 = 42+5 =
89-18 = 25-0 = 17+21 = 51-6 = 7+90 =

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