Q101 of 131 Page 1

Simplify :
           - 8+ 15+  

- 8 + 15 + = = 3 ;= = 6 ; = = 2 ; = = 15 ; - 8 + 15 + = (3 – 8 × 6 + 15 × 2 + 15)
                                               = (3 – 48 + 30 + 15) = 0

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          ( ÷ )