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题型:解决问题 题类:常考题 难易度:困难
两位数加一位数(进位)1091(10题)
48-32-16={#blank#}1{#/blank#}59-13-37={#blank#}2{#/blank#}
56-21-21={#blank#}3{#/blank#} 93-69-21={#blank#}4{#/blank#}
={#blank#}1{#/blank#}
={#blank#}2{#/blank#}
{#blank#}1{#/blank#} {#blank#}2{#/blank#} {#blank#}3{#/blank#} = {#blank#}4{#/blank#}
30+(11-4)= 63-30+6= 59-9-8=
47+(18-9)= 75-(10+50)= 37+9-40=
51-40+9= 71-(14-7)= 8+(56-50)=
①80-56=
②62+19=
③45-37=
④56+33-27=
⑤42+17+28=
⑥27+(65-39)=
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