Breaking apart 3-digit addition problems | 2nd grade | Khan Academy

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348.9 هزار بار بازدید - 7 سال پیش - Sal shows ways to break
Sal shows ways to break up addition problems using place value.

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2nd grade on Khan Academy: Learn to see three-digit numbers as hundreds, tens, and ones

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7 سال پیش در تاریخ 1396/05/23 منتشر شده است.
348,925 بـار بازدید شده
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