2018年小学三年级口算练习题(八十四)
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2018-09-06 19:05:18
2018年小学三年级口算练习题(八十四)
256 + 775 = 449 - 312 = 202 - 155 = 106 + 537 =
916 + 861 = 713 - 288 = 954 - 286 = 72 + 76 =
71 + 68 = 64 - 60 = 716 - 117 = 766 + 792 =
79-39 = 84-17= 175 + 157 = 38 + 69 =
