题型：解决问题 题类：常考题 难易度：困难
用9的乘法口诀求商1979 10
× | 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#} |
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
