1 Simplify
a) 54+ ( 63 – 45 ) x 9 – 11
b) 78 – [5 + 3 of (25 – 2 x 10
c) 25 – 48 – 6+12 2​

1 Simplify
a) 54+ ( 63 – 45 ) x 9 – 11
b) 78 – [5 + 3 of (25 – 2 x 10
c) 25 – 48 – 6+12 2​

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