(2+3)*4/B=10
求B 請問如何列式
2007-01-25 16:53:03 · 6 個解答 · 發問者 ? 1 in 教育與參考 ➔ 小學及中學教育
(2+3)*4/B=10
5x4/B=10
20=10B
B=2
2007-01-25 16:58:20 · answer #1 · answered by ? 3 · 0⤊ 0⤋
(2+3)*4/B=10
5x4/B=10
20=10xB
B=20/10
B=2
2007-01-26 10:22:44 · answer #2 · answered by HI 6 · 0⤊ 0⤋
(2+3)*4/B=10
5x4=10B
20=10B
20/10=B
2=B
B=2
2007-01-25 17:21:01 · answer #3 · answered by Ming Yan 1 · 0⤊ 0⤋
(2+3)*4/B=10
5*4/B=10
20/B=10
20=10B
20/10=B
2=B
B=2
(等號記得對齊)
2007-01-25 17:06:04 · answer #4 · answered by Man Lok 2 · 0⤊ 0⤋
解題:
(2+3)*4/B=10
(2+3)*4=10B
5*4=10B
10B=20
B=2
所以B是2。 i hope you give me''money'' and you know
2007-01-25 17:03:07 · answer #5 · answered by TSANG KING PANG 1 · 0⤊ 0⤋
解題:
(2+3)*4/B=10
(2+3)*4=10B
5*4=10B
10B=20
B=2
所以B是2。
2007-01-25 16:59:18 · answer #6 · answered by 鯉躍龍門 7 · 0⤊ 0⤋