Question

9. Simplify:
i. 20+ {12-5+(8-3)
ii. 90 x [60 - {6x7+(110-3x8)}]
iii. 120-[18- {20-3 (9-5)}
iv. 4[18+ {4+3(6-2)}]
v. (1946) [19+ {15+8-3)}]
vi. 21+ {3+(16-3)*3}
vii.120-[132=(3 * 4)-(-3) {6-15-3}]
viii. 128-(56-{3 x 5+(19-23)}]
ix. 100-[18-{16-2-(16-12-3)-3)}]


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Answer 1

1. 20+(12-5+(8-3)

20+(12-5+5)

20+12

32

Answer 2

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