1) - 4 - { 11 - 20 [- 22 . (-2) - 15 - ( 10 + 7 . 2 ) - ( 8 - 5 ) - 1 ] + 11 }

Question

16-02-2018
Mathematics

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1) - 4 - { 11 - 20 [- 22 . (-2) - 15 - ( 10 + 7 . 2 ) - ( 8 - 5 ) - 1 ] + 11 }

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jeenababu jeenababu · Answer 1 · 2018-02-16T00:36:45+01:00

jeenababu jeenababu

16-02-2018

-4-11-20 (-22(-2)-15-(10+7.2)-(8-5)-1)+11=-160
Steps
-4-11-20(-22(-2)-15-(10+7.2)-(8-5)-1)+11
20(-22(-2)-15-(10+7.2)-(8-5)-1)
= 20(2*22-1-15-(10+7.2)-(8-5))
= 20(44-1-15-(10+7.2)-(8-5))
= 20(44-1-3-15-17.2)
= 20*7*8
= 156
= -4-11-156+11
= -160

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allyana2k allyana2k · Answer 2 · 2018-02-16T00:44:41+01:00

allyana2k allyana2k

16-02-2018

the answer should be -169

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