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题型:填空题 题类:常考题 难易度:容易
7的乘法口诀1798 10
1×7= 7×3= 7×7= 5×7=
7×2= 4×7= 7×1= 6×7=
7×6= 7×2= 7×4= 7×5=
四七{#blank#}1{#/blank#}三七{#blank#}2{#/blank#}
六七{#blank#}3{#/blank#}一七得{#blank#}4{#/blank#}
4{#blank#}1{#/blank#}9=36 36{#blank#}2{#/blank#}8=44
30{#blank#}3{#/blank#}8=22 5{#blank#}4{#/blank#}7>33
6×4-4={#blank#}2{#/blank#}×{#blank#}3{#/blank#}
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