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题型:填空题 题类:常考题 难易度:容易
一年级 1~~5的减法148
0+2=
0+=0
-0=3
1+ =3 0+ =4 4- =2 5- =0
1+3={#blank#}1{#/blank#}
5-4={#blank#}2{#/blank#}
4+1=
{#blank#}1{#/blank#}
{#blank#}2{#/blank#}
{#blank#}3{#/blank#}
{#blank#}4{#/blank#}
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