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Old 11-01-2013, 04:06 PM   #21
bindujain
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Default Re: आओ कर लें गणित से दोस्ती

Maths Tricks with Numbers

Subtracting from 1,000
Step1:To subtract a large number from 1,000 you can use this basic rule: subtract all but the last number from 9, then subtract the last number from 10:
Step2:Ex:1000-648
Step3: subtract 6 from 9 = 3
Step4: subtract 4 from 9 = 5
step5: subtract 8 from 10 = 2
Answer: 352
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