题目内容
“五十九亿八千三百万”写作:______;分母是9,既是最简分数又是真分数的共有______个.
(1)五十九亿八千三百万”写作:5983000000;
(2)分母是9的真分数有:
,
,
,
,
,
,
,
,其中最简分数有:
,
,
,
,
,
,共计6个;
故答案为:5983000000,6.
(2)分母是9的真分数有:
| 1 |
| 9 |
| 2 |
| 9 |
| 3 |
| 9 |
| 4 |
| 9 |
| 5 |
| 9 |
| 6 |
| 9 |
| 7 |
| 9 |
| 8 |
| 9 |
| 1 |
| 9 |
| 2 |
| 9 |
| 4 |
| 9 |
| 5 |
| 9 |
| 7 |
| 9 |
| 8 |
| 9 |
故答案为:5983000000,6.
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