수학

박영진

Sequencing

박영진

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5 questions

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# 1

111,111,111 x 111,111,111 = 12345678987654321

Hint

11 x 11 = 121

# 2

1,111,111,111 x 1,111,111,111 = ?

123356765675766676767897

112332334ㄷㄷㄹㅊㄹㄹㄹ45556676778887

불어서

1.23456790E+18

비린내

# 3

111,111,111,111,111 x 111,111,111,111,111 = ?

1.23456790E+28

# 4

1~10000까지 모두 + = ?

50005000

Hint

1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 + 10 = 55

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