填上合适的数。
{#blank#}1{#/blank#}×6=36 7×{#blank#}2{#/blank#}=56 9×{#blank#}3{#/blank#}=54
{#blank#}4{#/blank#}×6=42 5×{#blank#}5{#/blank#}=45 8×{#blank#}6{#/blank#}=40
{#blank#}7{#/blank#}×8=48 7×{#blank#}8{#/blank#}=14 {#blank#}9{#/blank#}×{#blank#}10{#/blank#}=18