4×5- 7- 10+20÷(5-6÷2)
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Step-by-step explanation:
4*5-7-10+20/(5-6/2)
=4*5-7-10+20/(-1/2)
=20-7+10/(-1/2)
=20+3/(-1/2)
=23*-2/1
= -46
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