题目内容
某小学低年级有学生120人,中年级比低年级学生人数少
,高年级占全校人数的
,该校有多少人?
| 1 |
| 6 |
| 1 |
| 3 |
[120+120×(1-
)]÷(1-
)
=[120+120×
]÷
,
=[120+100]÷
,
=220÷
,
=330(人).
答:该校有300人.
| 1 |
| 6 |
| 1 |
| 3 |
=[120+120×
| 5 |
| 6 |
| 2 |
| 3 |
=[120+100]÷
| 2 |
| 3 |
=220÷
| 2 |
| 3 |
=330(人).
答:该校有300人.
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