09-04-2018
Mathematics

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7x28=7(20+ blank)=140+ blank=blank

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Аноним Аноним

09-04-2018

[tex]7 \times 28 \\ = 7(20 + 8) \\ = 140 + 56 \\ = 196[/tex]
First blank = 8
Second blank = 56
Last blank = 196

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