二年级数学重点乘法口诀口算题
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简介
5×6＝5×7＝6×7＝6×8＝8×2＝ 8×3＝3×6＝5×8＝6×1＝8×5＝ 5×9＝8×6＝8×1＝5×2＝1×1＝ 2×6＝2×7＝2×9＝6×1＝8×9＝ 9×6＝6×5＝8×7＝8×5＝8×8＝
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5×6＝5×7＝6×7＝6×8＝8×2＝ 8×3＝3×6＝5×8＝6×1＝8×5＝ 5×9＝8×6＝8×1＝5×2＝1×1＝ 2×6＝2×7＝2×9＝6×1＝8×9＝ 9×6＝6×5＝8×7＝8×5＝8×8＝