Question

Find the difference using the short method: 1) 723-9. [hint: 9=(10-1)]​

Answer 1

Answer:

answer is 714

Step-by-step explanation:

714+9=723

Answer 2

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The short method of 723 $-$ 9 is

$\implies$720 $-$ 9 $+$ 3

$\implies$ 711 $+$ 3

$\implies$ 714.