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复习:多位数的认识

复习:多位数的认识. 一、填空。 1 、从右边起第( )位是万位,第( )位是亿位, 第( )位是百亿位。 2 、一万是( )个千,一千万是( )个百万, ( )个一千万是一亿。 3 、一个数是由 6 个百万、 7 个万和 8 个一组成, 这个数写作( ),读作( )。 4 、八千七百万六千写作( ), 四舍五入到万位约是( )。

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复习:多位数的认识

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  1. 复习:多位数的认识

  2. 一、填空。 1、从右边起第( )位是万位,第( )位是亿位, 第( )位是百亿位。 2、一万是( )个千,一千万是( )个百万, ( )个一千万是一亿。 3、一个数是由6个百万、7个万和8个一组成, 这个数写作( ),读作( )。 4、八千七百万六千写作( ), 四舍五入到万位约是( )。 5、49( )000≈50万,( )里最小要填( ), 最大能填( )。 6、最小的八位数是( ),减去1是( ); 最大的八位数是( ),加上1是( )。 7、用三个“0”和三个“9”组成的最大的六位数是( ), 读作( ),把它四舍五入到万位约是( ); 组成最小的六位数是( ),读作( ), 把它四舍五入到万位约是( )。 五 九 十 一 10 10 10 六百零七万零八 6070008 87006000 8701万 5 9 10000000 9999999 99999999 100000000 999000 九十九万九千 100万 九十万零九十九 900099 90万

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