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题型：判断题 题类：常考题 难易度：容易
用7的乘法口诀求商1941 10
4×{#blank#}1{#/blank#}=28 {#blank#}2{#/blank#}×6=42 56÷{#blank#}3{#/blank#}=7
48÷{#blank#}4{#/blank#}=8 24÷{#blank#}5{#/blank#}=3 5×{#blank#}6{#/blank#}=20
7×{#blank#}1{#/blank#}<29 {#blank#}2{#/blank#}<5×8 60>{#blank#}3{#/blank#}×9
54÷9=
9×7=
65÷8=
7000-2000=
320+500=
60+70=
2600-800=
4000-700=
31-12÷4=
9+2×4=
6×8-8=
72÷（3×3）=
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