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320×3={#blank#}3{#/blank#}   2×460={#blank#}4{#/blank#}

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37×5＝{#blank#}4{#/blank#}            89×10＝{#blank#}5{#/blank#}             65×4＝{#blank#}6{#/blank#}

35×9＝{#blank#}7{#/blank#}            46×4＝{#blank#}8{#/blank#}              33×6＝{#blank#}9{#/blank#}

83×9＝{#blank#}10{#/blank#}            64×7＝{#blank#}11{#/blank#}              78×8＝{#blank#}12{#/blank#}