一个乘数是7，另一个乘数是4，积是{#blank#}1{#/blank#}？

2×5 =      4 × 6 =       5 ×3 =       8 ×5 = 

5 +5 =       5×5 =        3 × 5=       2 ×9 =

7×4 =      3×6 =         6×5 =        4 ×1=

4× 8 =     7 ×3 =       4 × 4 =       4 + 4 =

7×3=       27÷3=      30÷5=       6×7=

18÷3=      16-9=       9÷9=        36÷6=

49÷7=      54÷6=      35+5=        48÷8=

91-20=      40+7=      10÷2=     ­   9×6=

{#blank#}1{#/blank#}              {#blank#}2{#/blank#}        {#blank#}3{#/blank#}

4×□=24 8+□=16

6×□=24 8×□=8

8×□ =24 □-8=40