Question

Simplify (2-1 × 5-1 )-1 ÷ 4-1

Answer 1

the answer

(2-1*5-1)-1÷4-1

(1*4)-1÷4-1

4-1÷4-1

4-0.25-1

=2.75

Answer 2

Step-by-step explanation:

$(2 - 1 \times 5 - 1) - 1 \div 4 - 1 \\ = (2 - 5 - 1) - 1 \div 4 - 1 \\ = - 4 \times - 1 \div 4 - 1 \\ = 1 - 1 \\ = 0$

Bodmas rule is most important