# arrays and expanded algorithm

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31x19=

• arrays and expanded algorithm -

(30+1)(20-1) = 600 + 20 - 30 - 1 = 589

• math -

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• arrays and expanded algorithm -

hi don't understand this i need help

• arrays and expanded algorithm -

16times 12

• arrays and expanded algorithm -

23×17

• arrays and expanded algorithm -

Hi done hi

• arrays and expanded algorithm -

Nut not. Ryhnhyr bt by r try ryh. Yrunyhrnuyrbhynyrh yhrt. Yr

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