Question

find 9 odd numbers whose sum is 199​

Answer 1

Answer:

1+3+15+19+21+23+37+41=199

Answer 2

Answer:

let the number be Y

199=1+(y-1) ×2

198=2(y-1)

y-1=198/2=99

y=1+99=100

y=100/2{1+199}

=100/2×200=10000

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