1)Find the result of subtracting the sum of all integers between 20 and 30 from the all integers from 20 to 30.
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Answered by
1
Answer:
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Step-by-step explanation:
Sum of the all integers from 20 and 30
20+21+22+23+24+25+26+27+28+29+30=275
Sum of the all integers between 20 and 30
21+22+23+24+25+26+27+28+29=225
∴ Required number= (Sum of the all integers from 20 and 30)-(Sum of the all integers between 20 and 30 )
=275-225
=50
∴The required number is 50.
Answered by
0
Answer:
Sum of the all integers from 20 and 30
20+21+22+23+24+25+26+27+28+29+30=275
Sum of the all integers between 20 and 30
21+22+23+24+25+26+27+28+29=225
∴ Required number= (Sum of the all integers from 20 and 30)-(Sum of the all integers between 20 and 30 )
=275-225
=50
∴The required number is 50
Step-by-step explanation:
hope it helps you
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