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题型:填空题 题类:常考题 难易度:容易
8的乘法口诀 1850 10
算式:×=
{#blank#}1{#/blank#}七三十五
{#blank#}2{#/blank#}×7={#blank#}3{#/blank#}
{#blank#}4{#/blank#}×5={#blank#}5{#/blank#}
四七{#blank#}1{#/blank#}三七{#blank#}2{#/blank#}
六七{#blank#}3{#/blank#}一七得{#blank#}4{#/blank#}
三七{#blank#}1{#/blank#}
{#blank#}2{#/blank#}七三十五
{#blank#}3{#/blank#}七四十九
七{#blank#}4{#/blank#}六十三
9×8= 5×5= 80-6= 58+2=
8+47= 72+9= 9×7= 4×8=
7×4= 17-8= 17+5= 6×5=
43-30= 82-9= 12-3= 5×9=
4×{#blank#}1{#/blank#}<30 {#blank#}2{#/blank#}×8<40
9×{#blank#}3{#/blank#}<46 {#blank#}4{#/blank#}×5<37
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