Question

1. Simplify:
(a) 40 +(80 + {(20-3)7}]
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Answer 1

Answer:

17 × 7 = 119

119 + 80 = 199

199 + 40 = 239

Answer 2

40+[80+{(17)7}]

40+[80+{119}]

40+[199]

40+199

230

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