標題:

此文章來自奇摩知識+如有不便請留言告知

中一升中二math

發問:

1.Use translation strategy to estimate the following: a)4×14分之304 b)39.6÷25.14×5.3 2.In each of the following, decide if the estimated value is reasonable. a)21.41×2.87÷9.33 ≈ 7 b)3333.3+988.8 ≈ 4300

最佳解答:

1.Use translation strategy to estimate the following: a)4×14分之304 4*15/300 =1/5 b)39.6÷25.14×5.3 40/25 *5 =8 2.In each of the following, decide if the estimated value is reasonable. a)21.41×2.87÷9.33 ≈ 7 No b)3333.3+988.8 ≈ 4300 yes 2010-08-11 10:19:38 補充: a)21.41×2.87÷9.33 ≈ 7 No D題見人見知的,看你用咩方法啦

其他解答:

1a.)唔係好明 1b.)39.6÷25.14×5.3≈ 40÷25x5≈ 8 2a.)reasonable 21.41×2.87÷9.33 ≈21x3÷9≈7 2b.)reasonable 3333.3+988.8 ≈ 3300+1000 ≈ 4300 我想應該系這樣做~~|||||自己做la or 買多本la 放下懒惰,回頭做功課7638E7481407D16B
arrow
arrow

    dvhtlbz 發表在 痞客邦 留言(0) 人氣()