试题 试卷
题型：填空题 题类：常考题 难易度：容易
3、4的乘法口诀(2——5的乘法口诀)1589 10
3×25
2×710
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一个因数是2，另一个因数是3，积是5．
2×7 = 1×6= 2×5 = 3×2 =
2×4 = 8×1 = 8×2 = 2×9 =
7 ×2= 2× 2 = 5×1= 1×7 =
试题篮
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