Question

7. [40 ÷ {19 - 3(6 - 4-1)}]​

Answer 1

Answer:

5/2

Step-by-step explanation:

[40÷{19-3(6-4-1)}]

[40÷{19-3(1)}]

[40÷{19-3}]

[40÷{16}]

40÷16

10÷4

5/2

Answer 2

$40 \div \{19 - 3(6 - 4 - 1) \}$

$= 40 \div \{19 - 3(1) \}$

$= 40 \div (19 - 3)$

$= 40 \div 16$

$= 2.5$