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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1816 10
1×7=
3×6=
5×7=
4×6=
①{#blank#}1{#/blank#}×8=56
4×{#blank#}2{#/blank#}=28
7×{#blank#}3{#/blank#}=14
②{#blank#}4{#/blank#}×5=5
5×{#blank#}5{#/blank#}=15
{#blank#}6{#/blank#}×5=45
2×6{#blank#}1{#/blank#}8 25{#blank#}2{#/blank#}5×6 4×5{#blank#}3{#/blank#}5×4
6×7{#blank#}1{#/blank#}40
1×7{#blank#}2{#/blank#}8
7×5{#blank#}3{#/blank#}35
3×7{#blank#}4{#/blank#}12
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