20-[10-3×{(18-7×4-30)}]
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Answered by
33
Step-by-step explanation:
Solution :
20 – [10 – 3 {(18 – 7 × 4 – 30)}]
=> 20 – [10 – 3(18 – 28 – 30)]
=> 20 – [10 – 3(18 – 58)]
=> 20 – [10 – 3(–40)]
=> 20 – [10 + 120]
=> 20 – 130
=> –110.
Answered by
0
Step-by-step explanation:
20-[10-3×{(18-7×4-30)}]
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