1.

4×5- 7- 10+20÷(5-6÷2)​

Answer» <html><body><p><strong>Step-by-step explanation:</strong></p><p><a href="https://interviewquestions.tuteehub.com/tag/4-311707" style="font-weight:bold;" target="_blank" title="Click to know more about 4">4</a>*5-7-10+20/(5-6/2)</p><p>=4*5-7-10+20/(-1/2)</p><p>=20-7+10/(-1/2)</p><p>=20+3/(-1/2)</p><p>=<a href="https://interviewquestions.tuteehub.com/tag/23-294845" style="font-weight:bold;" target="_blank" title="Click to know more about 23">23</a>*-2/1</p><p>= -<a href="https://interviewquestions.tuteehub.com/tag/46-317673" style="font-weight:bold;" target="_blank" title="Click to know more about 46">46</a></p></body></html>


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