Question

Simplify:
(i) 60 - 42 - 3 of 7 -(-21 +5) = 4 x 2
(ii) 18 - [13 - {9+ 10 + (7 - 2)}]​

Answer 1

Answer:

29

Step-by-step explanation:

ii)18 - [13 - {9+ 10 + (7 - 2)}]

=18-[13-{9+10+5}]

=18-[13-24]

=18-(-11)

=18+11

=29(ans)

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Answer 2

Answer:

1.) 60-42-3 of 7 -(-21 +5) = 4 × 2.

60-42-3of7--16=4×2

60-42-21--16= 4×2

60-42 -21--16=8

18-21--16=8

18--37=8

-19=8

8+19= 27

2.) 18-[13 - {9+ 10 +(7-2)}]

18-[13-{9+10+5}]

18-[13-24]

18-11

7.

Step-by-step explanation:

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