{#blank#}1{#/blank#}二十四     五{#blank#}2{#/blank#}四十    四{#blank#}3{#/blank#}二十八

{#blank#}4{#/blank#}六十四      三{#blank#}5{#/blank#}十二   {#blank#}6{#/blank#}九二十七

4×{#blank#}1{#/blank#}＜25

{#blank#}2{#/blank#}×7＜29

47＜{#blank#}3{#/blank#}×8

3只 {#blank#}2{#/blank#}个点，4只 {#blank#}3{#/blank#}个点，

5只 {#blank#}4{#/blank#}个点，6只 {#blank#}5{#/blank#}个点，

7只 {#blank#}6{#/blank#}个点，8只 {#blank#}7{#/blank#}个点。

8×6=    7×3=    9×4=    6×7=

5×5=    4×6=    2×7=     8×5=

5×9{#blank#}1{#/blank#}45         2+2+2{#blank#}2{#/blank#}2×2         6×0{#blank#}3{#/blank#}0+6

14{#blank#}4{#/blank#}7×7         3×6{#blank#}5{#/blank#}6+6+6+6     3×5{#blank#}6{#/blank#}4×3+3