{#blank#}1{#/blank#}.

{#blank#}2{#/blank#}.

{#blank#}3{#/blank#}.

{#blank#}4{#/blank#}.

7-0=           6+1=            7-4=

2+5=           7-3=            0+7=

1+5=           6-3=            5-1=

△比○少{#blank#}1{#/blank#}个， 比△多{#blank#}2{#/blank#}个，○比☆多{#blank#}3{#/blank#}个，△比 少{#blank#}4{#/blank#}个。

{#blank#}1{#/blank#}-6=3     {#blank#}2{#/blank#}-3=4

{#blank#}3{#/blank#}-1=7    {#blank#}4{#/blank#}-{#blank#}5{#/blank#}=4

画○比□多2个□□□□{#blank#}2{#/blank#}。