🧭10 tricks for doing fast math

💜 Class 6 to 12
💜 SSC
💜 BANK
💜 UPCS
💜 STATE PSC
💜 RAILWAYS
💜 DEFENCE
💜 GATE,IES,PSU
💜 TEACHER LEVEL
💜 IIT-JEE
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▒☞ @Maths4magic
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