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题型：填空题 题类：常考题 难易度：容易
万以内加、减法口算 2829 10
65－47=
54＋38=
960－80=
780＋60=
9×3 = 8×3 = 2×9= 8×6 =
80 – 59 = 35 + 49 = 77 – 77 = 9+76 =
40+{#blank#}1{#/blank#}=90 {#blank#}2{#/blank#}+10=70
50-{#blank#}3{#/blank#}=30 {#blank#}4{#/blank#}-50=30
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