bella331
bella331
12-03-2018
Mathematics
contestada
What is the answer for 20x21
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Аноним
Аноним
12-03-2018
The answer is 420. I hope that it is right and next time use a calculator.
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Аноним
Аноним
12-03-2018
20*21=420
21 groups of 20 is 21*2=42
42*10=420
Hope this helped☺☺
Answer Link
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