1) 2% = a) 0.002 b) 0.02 c) 0.2 d) 2 2) 33% = a) 33 b) 3.3 c) 0.33 d) 0.033 3) 45% a) 0.45 b) 0.455 c) 4.05 d) 4.5 4) 百分之八 等于 a) 80% b) 8% c) 0.8% d) 0.08% 5) 二分之一 等于 a) 21% b) 0.21% c) 50% d) 20% 6) 四分之三 等于 a) 0.25 b) 0.43 c) 0.5 d) 0.75 7) 五分之一 等于 a) 0.20 b) 0.25 c) 0.45 d) 0.5 8) 20% 的最简分数是 a) 1/2 b) 1/3 c) 1/4 d) 1/5 9) 25% 的最简分数是 a) 1/2 b) 1/3 c) 1/4 d) 1/5 10) 以下哪项是不正确的? a) 百分之九 = 9% b) 百分之十六 = 16% c) 百分之四十三 = 34% d) 百分之八八 = 0.88
三年级 数学 综合练习
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Lucaschay
三年级
数学
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