Question

( 2-1 × 5 -1 ) -1 ÷4 -1​

Answer 1

Answer:

-21/4

Step-by-step explanation:

( 2-1 × 5 -1 ) -1 ÷4 -1

( 2-5 -1 ) -1 ÷4 -1

( 2-6 ) -1 ÷4 -1

-4 -1 ÷4 -1

-4 -1/4 -1

-21/4

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