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Mathematics
Immanuel
23 July, 18:49
What's 22 * 19 + area model
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Kirsten Lam
23 July, 21:55
0
(20+2) (10+9)
Step-by-step explanation:
The area model is written as (a+b) (c+d). To write a multiplication problem into an area model, split it into numbers which add to it. Multiples of 10 are most commonly used.
For example 22*19 becomes (20+2) (10+9).
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