Question

9 1/2 - [4 1/2 {2 1/2 - 4 1/2 - 4}]​

Answer 1

I think answer is 14.5

See,

9 1/2 -[4 1/2 (2 1/2 - 4 1/2 - 4)]

9 1/2 - [ 4/2 ( 2/2 - 4/2 - 8/2)]

9 1/2 - [2 (1 - 2 - 4)]

9 1/2 - (2-4-8)

9 1/2 - (-10)

9/2 + 10

9/2 + 20/2

29/2 = 14.5

Answer 2

91/2 - { 41/2 ( 21/2 - 41/2 - 4)}

91/2 - { 41/2 ( -20/2 - 4 )}

91/2 - { 41/2 ( -10 - 4)}

91/2 - { 41/2 × -14 }

91/2 - { 41 × -7 }

91/2 - { -287 }

91/2 + 287

91/2 + 287 × 2/2

91/2 + 574/2

665/2

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