试题 试卷
题型：填空题 题类：常考题 难易度：容易
7的乘法口诀1816 10
7×{#blank#}1{#/blank#}=63
9×{#blank#}2{#/blank#}=63
8×1 = 7×4 = 8×8 = 9×4 + 9 = 8×6+3 =
9×9= 8×7= 7×7= 6×5 – 5 = 8×4 – 5 =
5×4= 2×8= 5×9= 7+9+7= 9×8 – 8 =
{#blank#}1{#/blank#}
试题篮
{#blank#}1{#/blank#}