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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 1824 10
7×1 = 6 × 2 = 3×8 = 2×6 =
5×3 = 9 × 3 = 2×7 = 5 × 4 =
8×2 = 4× 8 = 3 ×9 = 7 × 3 =
四{#blank#}1{#/blank#}二十八 八{#blank#}2{#/blank#}七十二 {#blank#}3{#/blank#}八五十六 六九{#blank#}4{#/blank#}
57+1959+17 钝角 锐角 2×22+2
84-584-8 98厘米1米 8+38×3
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