1. 在横线上填上合适的数。

×5=45                    7×=63                 ×6=48

7×=42                   ×4=32                    8×=72

40÷=5                   ÷6=5                     ÷9=4

7×9÷7＝{#blank#}1{#/blank#}

24÷6÷2＝{#blank#}2{#/blank#}

3×3×9＝{#blank#}3{#/blank#}

5×8={#blank#}1{#/blank#}   8×6={#blank#}2{#/blank#}   9×1={#blank#}3{#/blank#}   4×9={#blank#}4{#/blank#}

9×9={#blank#}5{#/blank#}   3×9={#blank#}6{#/blank#}   6×7={#blank#}7{#/blank#}   9×1={#blank#}8{#/blank#}

9×5={#blank#}9{#/blank#}   2×9= {#blank#}10{#/blank#}

{#blank#}1{#/blank#}×8＜36      9×{#blank#}2{#/blank#}＜44      34＞{#blank#}3{#/blank#}×7

5×{#blank#}4{#/blank#}＜31      54＞{#blank#}5{#/blank#}×7      39＞{#blank#}6{#/blank#}×6