數學題123!急今交天功課!!!!!

1.(385-140)÷5=385!5-?!5

2.253÷11-209÷11=(?!209)÷11

3.(252-144)÷12=252!?-144!?

!是寫符號?是寫數字

Update:

快!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Update 2:

急!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

2 Answers

Rating
  • 10 years ago
    Favorite Answer

    1.(385-140)÷5=385!5-?!5

    A. (385-140)/5 = 385/5-140/5

    = 77-28

    = 49

    2.253÷11-209÷11=(?!209)÷11

    A. 253/11-209/11 = (253-209)/11

    = 44/11

    = 4

    3.(252-144)÷12=252!?-144!?

    A. (252-144)/12 = 252/12-144/12

    = 21-12

    = 9

    !是寫符號?是寫數字

    Source(s): Myself
  • 10 years ago

    睇唔明你d符號= =

Still have questions? Get your answers by asking now.