Question

simplify 20-{18÷(7-2+1)}​

Answer 1

20-{18÷(6-2+1)}

= 20-{18÷(5)}

= 2/5

Answer 2

Answer:

=> 17

Step-by-step explanation:

Given expression:-

$20-[18\div(7-2+1)]$

To find- The value of the above expression,

For simplifying the expression,

We have to use the rule of DMAS,

It is the sequence of various mathematical operations:

where:

D - division  

M - multiplication  

A - addition  

S - subtraction

As we have,

$=> 20-[18\div(7-2+1)]$

Now, further simplifying it we get,

$=>20-[18\div6]$

$=> 20-3$

$=> 17$

Hence, the simplified value is 17.