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题型:单选题 题类:常考题 难易度:普通
7的乘法口诀1803 10
7×3={#blank#}1{#/blank#}
{#blank#}2{#/blank#}÷3={#blank#}3{#/blank#}
{#blank#}4{#/blank#}÷7={#blank#}5{#/blank#}
91,84,{#blank#}1{#/blank#}, {#blank#}2{#/blank#},{#blank#}3{#/blank#},{#blank#}4{#/blank#},{#blank#}5{#/blank#},{#blank#}6{#/blank#},{#blank#}7{#/blank#},{#blank#}8{#/blank#},{#blank#}9{#/blank#},{#blank#}10{#/blank#},7,0.
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