Question

simplyfy the following 20-(5-4)×{3-(5-3)}​

Answer 1

Answer:

hope it help

Step-by-step explanation:

$20 - 20 \times (3 - 2) \\ 1$

Answer 2

Step-by-step explanation:

20-(5-4)×{3-(5-3)}

= 20-1×{3-2}

= 20-1×1

= 20-1

= 19 answer