试题 试卷
题型：填空题 题类：常考题 难易度：容易
9的乘法口诀1860 10
9×9－9= 9×7＋9=
9×8－9= 9×6＋9=
9×7－9= 9×4＋9=
2×1＝{#blank#}1{#/blank#}
5×2＝{#blank#}2{#/blank#}
9×1＝{#blank#}3{#/blank#}
1×1＝{#blank#}4{#/blank#}
口诀：{#blank#}1{#/blank#}
算式：_________
45-30=
4×8=
35+7=
7×7=
6×3=
85-8=
70-5=
5×6=
9×4=
7×8+30=
7×5-5=
38+40-30=
82-(4+26)=
试题篮
