六年级口算竞赛试题
一、把下面分数化成小数和百分数(20分)
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直接写得数(9分)
×1= ×2= × 3= ×4= ×5= ×6= ×7= × 8= × 9=
三、把下面的小数化成分数(10分)
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四、直接写得数(18分)
12= 22 = 32= 42= 52= 62= 72= 82= 92=
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五、根据自己的记忆直接写得数(8分)
×15= ×25= ×16= ×36=
六、根据条件写计算公式(29分)
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