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题型:填空题 题类:常考题 难易度:普通
整数连加、连减混合1402
{#blank#}1{#/blank#}
39-13+47={#blank#}1{#/blank#}
63+25-39={#blank#}2{#/blank#}
56+42-69={#blank#}3{#/blank#}
92-37+4={#blank#}4{#/blank#}
80-49+27={#blank#}5{#/blank#}
34-25+14={#blank#}6{#/blank#}
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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