72－9＝{#blank#}1{#/blank#}

72÷9＝{#blank#}2{#/blank#}

39÷7＝{#blank#}3{#/blank#}……{#blank#}4{#/blank#}

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6×{#blank#}4{#/blank#}<56         {#blank#}5{#/blank#}×3<26         4×{#blank#}6{#/blank#}<35

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5×{#blank#}1{#/blank#}＜38       {#blank#}2{#/blank#}×9＜60        50＞7×{#blank#}3{#/blank#}

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15个 ， 每4个分一份，分成了{#blank#}2{#/blank#}份，还剩{#blank#}3{#/blank#}个。

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