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题型:填空题 题类:常考题 难易度:困难
整十数加、减整十数1050(11题)
40+30={#blank#}1{#/blank#}
90-50={#blank#}2{#/blank#}
38+9={#blank#}3{#/blank#}
47-40={#blank#}4{#/blank#}
47-7={#blank#}5{#/blank#}
30+5={#blank#}1{#/blank#} 40+8={#blank#}2{#/blank#} 77-7={#blank#}3{#/blank#} 64-0={#blank#}4{#/blank#}
32-2={#blank#}5{#/blank#}43+0={#blank#}6{#/blank#} 90+9={#blank#}7{#/blank#} 10+7={#blank#}8{#/blank#}
40+9 = 10 +30 = 59 – 7 = 85 – 80 =
60+40 = 26 +10 = 88 – 8 = 50 +26 =
72 + 27 = 38 – 27 = 54 +25 = 73 – 23 =
100 – 30 = 38 – 35 = 60 + 15 = 16 + 40 =
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