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题型:填空题 题类:常考题 难易度:困难
一年级 1~~5的减法149
2+3= 2-2= 4-2= 2+0=
4-3= 3+2= 2+2= 5-2=
0+3= 5-3= 2-0= 3-2=
{#blank#}1{#/blank#}+4={#blank#}2{#/blank#}
{#blank#}1{#/blank#}+{#blank#}2{#/blank#}={#blank#}3{#/blank#}
{#blank#}4{#/blank#}+{#blank#}5{#/blank#}={#blank#}6{#/blank#}
3+1=
5-1=
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