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Mathematics
Jolie Colon
22 September, 20:10
What's 22 * 19 + area model
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Danny Ayala
22 September, 21:52
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(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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