假如我給你7個(gè)蘋果,你將擁有的數(shù)量是我的5倍,加入你給我7個(gè)蘋果,我們的數(shù)量是一樣多,我現(xiàn)在有多少蘋果?
設(shè)我現(xiàn)在的蘋果數(shù)為x,你的蘋果數(shù)為y.則
y+7=5（x-7)
y-7 =x+7
解得,14個(gè),y=28個(gè)
第二個(gè)是 有一個(gè)什么床從來不能睡覺.車床,就是加工零件用的床
英語翻譯
英語翻譯
If I give you seven apples,you will have five times as many as I would then have.However,if you give me seven apples,we will then both have the same number of apples.How many apples do I currently have?
What has a bed but never sleeps?
第二個(gè)能不能講解一下為什么，
If I give you seven apples,you will have five times as many as I would then have.However,if you give me seven apples,we will then both have the same number of apples.How many apples do I currently have?
What has a bed but never sleeps?
第二個(gè)能不能講解一下為什么，
英語人氣：582 ℃時(shí)間：2019-09-27 18:44:37
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