2550 – [510 – {270 – (90 – 80 +7 )}]
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2550 – [510 – {270 – (90 – 80 +7 )}]
= 2550 – [510 – {270 – (90 – 87 )}]
= 2550 – [510 – {270 – ( 3 )}]
= 2550 – [510 – {267}]
= 2550 – [243]
= 2307
Answered by
0
Answer:
2293
Step-by-step explanation:
2550 – [ 510 – { 270 – ( 90 – 80 +7 ) } ]
2550 - [ 510 - { 270 - 17 } ]
2550 - [ 510 - 253 ]
2550 - 257
= 2293
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