题目内容
王大爷收获了一堆萝卜,他装了3筐又加上15千克,正好是这对萝卜的
,剩下的刚好装5筐,王大爷共收获了多少千克萝卜?
3 |
7 |
设每筐萝卜x千克
(3x+15)÷
=5x÷(1-
)
7x+35=5x÷
7x+35-7x=
x-7x
35÷
=
x÷
x=20;
(20×3+15)÷
=(60+15)÷
=75÷
=175(千克)
答:王大爷共收获了175千克萝卜.
(3x+15)÷
3 |
7 |
3 |
7 |
7x+35=5x÷
4 |
7 |
7x+35-7x=
35 |
4 |
35÷
7 |
4 |
7 |
4 |
7 |
4 |
x=20;
(20×3+15)÷
3 |
7 |
=(60+15)÷
3 |
7 |
=75÷
3 |
7 |
=175(千克)
答:王大爷共收获了175千克萝卜.
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