Question

If '+' means ×, '–' means ÷, '×' means + and '÷'

45 9 4 5 After changing 45 9 x 4 5 5 x 4 5 20 5 25

means –, compute the value of the expression: 45 – 9 + 4 × 5

A 21

B 25

C 26

D 23

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