355與113這兩數(shù)同時(shí)加上幾后大數(shù)是小數(shù)的3倍
355與113這兩數(shù)同時(shí)加上幾后大數(shù)是小數(shù)的3倍
急
一個(gè)自然數(shù)分別與兩連續(xù)偶數(shù)相成,所得的積的差是314,這個(gè)自然數(shù)是幾
急
一個(gè)自然數(shù)分別與兩連續(xù)偶數(shù)相成,所得的積的差是314,這個(gè)自然數(shù)是幾
數(shù)學(xué)人氣:928 ℃時(shí)間:2020-09-27 21:47:08
優(yōu)質(zhì)解答
(355+x)=(113+x)*3 355+x=339+3x 16=2x x=8
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