Posted by **tyla** on Tuesday, November 6, 2012 at 6:28pm.

31x19=

- arrays and expanded algorithm -
**Steve**, Tuesday, November 6, 2012 at 9:13pm
(30+1)(20-1) = 600 + 20 - 30 - 1 = 589

- math -
**56x36**, Thursday, November 8, 2012 at 7:36pm
????????????????????????????????????????????????????????????????????????????????:-(

- arrays and expanded algorithm -
**max**, Tuesday, November 13, 2012 at 6:40pm
hi dont understand this i need help

- arrays and expanded algorithm -
**Lashanta**, Wednesday, November 5, 2014 at 5:15pm
16times 12

- arrays and expanded algorithm -
**jake**, Wednesday, November 5, 2014 at 9:33pm
23×17

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