一條數學,,

2007-10-23 5:51 pm

小明買左2個pizza..佢自己食左2份之1個,,,,大明同大文食左6份之5個,,,,淨底個d比晒呀小芬食,,,問呀小芬食左幾多,,

唔該,,幫幫我耶,,

回答 (5)

2007-10-24 12:23 am

✔ 最佳答案

2個pizza

弟1個食左 1/2
弟2個食左 5/6

1 - 1/2= 1/2
1 - 5/6= 1/6

1/2 + 1/6 = 4/6

4/6 = 2/3

👍 0 👎 0

2007-10-24 3:46 am

答案小芬食左6份之1個pizza

參考: me

👍 0 👎 0

2007-10-23 6:13 pm

2/3 個 : (2 - 1/2 - 5/6)

👍 0 👎 0

2007-10-23 6:10 pm

2個pizza=2

小明食左2份之1個=1/2

大明同大文食左6份之5個=5/6

淨底個d比晒呀小芬食=

2-1/2-5/6

=12/6-3/6-5/6

=(12-3-5)/6

=4/6

=2/3

小芬食3份之2個pizza

👍 0 👎 0

2007-10-23 6:01 pm

2個pizza
首先小明食左2份之1..即係食左1個pizza
剩番1個pizza
又比大明同大文食左6份之5
即係剩番6份之1個
淨低個d比哂小芬食

答案小芬食左6份之1個pizza

👍 0 👎 0