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题型:填空题 题类:常考题 难易度:普通
9的乘法口诀1877 10
8×1 = 7×4 = 8×8 = 9×4 + 9 = 8×6+3 =
9×9= 8×7= 7×7= 6×5 – 5 = 8×4 – 5 =
5×4= 2×8= 5×9= 7+9+7= 9×8 – 8 =
{#blank#}1{#/blank#}+19<38 35>7×{#blank#}2{#/blank#} 6×9>{#blank#}3{#/blank#}
{#blank#}1{#/blank#}×3<22 8×{#blank#}2{#/blank#}<65 40>9×{#blank#}3{#/blank#}
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