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题型:填空题 题类:常考题 难易度:普通
整十数加、减整十数1046(10题)
98+=100
88+=100
78+=100
68+=100
58+=100
25+10={#blank#}1{#/blank#}
28+30={#blank#}2{#/blank#}
25+40={#blank#}3{#/blank#}
28+50={#blank#}4{#/blank#}
25+60={#blank#}5{#/blank#}
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} = {#blank#}4{#/blank#}(个)
60-40 = 24-14 = 59-30= 46-3+8=
62-8 = 27+9= 17+6= 76+6-8=
20+7 = 30-20 = 90+9= 60-30 = 24+6 =
51+8= 7+83= 85-5 = 90-70= 45+20=
96-7 = 65+20= 39+8= 4+65=
18+50-7= 80-60+35= 90-(60+30)= 63-(76-70)=
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