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 Post subject: Type K
PostPosted: Sat Oct 20, 2007 10:23 am 
Can anyone help with these please....


8 (13) 11, 6(14)10, 3( ? )11

16(15)11, 17(13)14, 19( ? )18

and

30(20)10, 20(20)20, 40( ? )10


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 Post subject:
PostPosted: Sat Oct 20, 2007 12:06 pm 
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Joined: Mon Jan 30, 2006 4:07 pm
Posts: 2660
Dear Guest

8 (13) 11, 6(14)10, 3( ? )11

11 – 8 = 3 + 10 = 13
10 – 6 = 4 + 10 = 14
11 – 3 = 8 + 10 = 18



16(15)11, 17(13)14, 19( ? )18

Same idea

16 – 11 = 5 + 10 = 15
17 – 14 = 3 + 10 = 13
19 – 18 = 1 + 10 = 11

and

30(20)10, 20(20)20, 40( ? )10

30 + 10 = 40 ÷ 2 = 20
20 + 20 = 40 ÷ 2 = 20
40 + 10 = 50 ÷ 2 = 25

Patricia


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 Post subject: thank you
PostPosted: Sat Oct 20, 2007 4:05 pm 
Dear Patricia

you've made it so simple! Thank you!!!!


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