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题型：填空题 题类：常考题 难易度：普通
6的乘法口诀 1780
5×=15
6×=36
{#blank#}1{#/blank#}
{#blank#}2{#/blank#}
8×4= 9×7 = 2×8= 7×8 – 8 =
8×9= 4×6= 9×8= 2×9+9=
8×2= 4×9= 8×7= 1 ×8 – 8 =
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