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题型:填空题 题类:常考题 难易度:容易
20以内的进位加法和退位减法498(19题)
9 + {#blank#}1{#/blank#} = 12 {#blank#}2{#/blank#} + 5=18 4+ {#blank#}3{#/blank#} =12
7+ {#blank#}4{#/blank#} =15 5+ {#blank#}5{#/blank#} =12 8+ {#blank#}6{#/blank#} =16
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} = {#blank#}4{#/blank#}(条)
9-4= 7-0= 5+5= 10-3=
9-9= 8+2= 19-7= 16-5=
4+914 4+77+4
6+510 9+29+3
8+59+6 7+98+8
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