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Dmitriy789 [7]
2 years ago
7

110,568÷220−568÷220 Calculate efficiently in your head.

Mathematics
2 answers:
julsineya [31]2 years ago
8 0

Answer:

500?

Step-by-step explanation:

AveGali [126]2 years ago
3 0

Answer:

  500

Step-by-step explanation:

Mental calculation often makes use of factoring and cancelling of factors. To the greatest possible extent, multiplying or dividing by powers of 2, 5 and 10 are also used.

  \dfrac{110568}{220}-\dfrac{568}{220}=\dfrac{110568-568}{220}=\dfrac{110000}{220}\\\\=\dfrac{110}{220}\cdot1000=\dfrac{1}{2}\cdot1000=\boxed{500}

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