题型：填空题 题类：常考题 难易度：容易
7的乘法口诀1820 8
列式是：×=
3＝{#blank#}1{#/blank#}×3 |
28＝7×{#blank#}2{#/blank#} |
× | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
7 | 7 | {#blank#}1{#/blank#} | {#blank#}2{#/blank#} | {#blank#}3{#/blank#} | {#blank#}4{#/blank#} | {#blank#}5{#/blank#} | {#blank#}6{#/blank#} | {#blank#}7{#/blank#} | {#blank#}8{#/blank#} |
8 | {#blank#}9{#/blank#} | {#blank#}10{#/blank#} | 24 | {#blank#}11{#/blank#} | {#blank#}12{#/blank#} | {#blank#}13{#/blank#} | {#blank#}14{#/blank#} | {#blank#}15{#/blank#} | {#blank#}16{#/blank#} |
9 | {#blank#}17{#/blank#} | {#blank#}18{#/blank#} | {#blank#}19{#/blank#} | {#blank#}20{#/blank#} | 45 | {#blank#}21{#/blank#} | {#blank#}22{#/blank#} | {#blank#}23{#/blank#} | {#blank#}24{#/blank#} |
试题篮
6×5”，比较大小，在 
