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Front

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key

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Progress

1/20

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20 Cards in this Set

  • Front
  • Back
20 + 4 =
24
20 + 20 =
40
20 + 2 =
22
20 + 5 =
25
20 + 8 =
28
20 + 9 =
29
20 + 12 =
32
20 + 14 =
34
20 + 16 =
36
20 + 18 =
38
20 + 19 =
39
20 + 10 =
30
20 + 17 =
37
20 + 13 =
33
20 + 7 =
27
20 + 6 =
26
20 + 11 =
31
20 + 15 =
35
20 + 3 =
23
20 + 1 =
21