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Arithmetic ability: level four:

Mental multiplication of a two-digit number from 11 to 50 by a two-digit number from 11 to 50.

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48 * 21 =

50 * 24 =

14 * 36 =

23 * 37 =

37 * 43 =

40 * 17 =

15 * 20 =

18 * 31 =

48 * 39 =

15 * 33 =

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