Question

8.5[10-2*{7.5-2*(3.5-1)}]​

Answer 1

Answer:

42.5

Step-by-step explanation:

8.5[10-2*{7.5-2*(3.5-1)}]

= 8.5[10-2×{7.5-2×(2.5)}]

=8.5[10-2{7.5-5}

=8.5[10-2×2.5]

=8.5[10-5]

=8.5×5

=42.5(ans)

I hope It will help you