试题 试卷
题型：填空题 题类：常考题 难易度：困难
3、4的乘法口诀(2——5的乘法口诀)1591 10
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4×3= 66－45= 70－5= 23－（46－38）=
36+7= 25+65= 23+37= 21+19+34=
5×6= 90－45= 2×2= 6×6-28=
42-8= 6×4= 4×4= 40+（89-54）=
25+21= 5×3= 6×3= 70+2×6=
试题篮
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