2018年小学三年级口算练习题(二十九)
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2018-08-23 09:55:21
2018年小学三年级口算练习题(二十九)
878-825 = 375-350 = 72+19 = 692-639 = 93-92 =
511-420 = 846-769 = 61-4 = 921-917 = 54-20 =
655-579 = 700-613 = 699-687 = 411-343 = 261-228 =
477-462 = 482-418 = 141-47 = 976-938 = 405-350 =
