Question

Simplify:


a) [40÷{19-3(6-4-1)}]

Please help me.​

Answer 1

Answer:

[40÷{19-3(2-1)}]

[40÷{19-3(1)}]

[40÷{19-3*1}]

[40÷{19-3}]

[40÷{16}

[40÷16]

[2.1]

Answer 2

Answer:

5/2 or 2.5

Step-by-step explanation:

[40÷{19-3(6-4-1)}]

[40÷{19-3(2-1)}]

[40÷{19-3(1)}]

[40÷{19-3}]

[40÷{16}]

or

40/16

=2/5=2.5