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999999999단 보다 더 어려운 구구단
ki yoo
7
Added Question (10/ 20)
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Question 1

Multiple Choice

9999999999999999999999999999999999999999999999999999999 × 1은 무엇인가요?

  • 9999999999999999999999999999999999999999999999999999999
  • 0
  • 9999999999999999999999999999999999999999999999999999998
  • 99999999999999999999999999999999999999999999999999999990

Question 2

Multiple Choice

9999999999999999999999999999999999999999999999999999999 × 0은 무엇인가요?

  • 0
  • 9999999999999999999999999999999999999999999999999999999
  • 1
  • 99999999999999999999999999999999999999999999999999999990

Question 3

Multiple Choice

9999999999999999999999999999999999999999999999999999999 × 10은 무엇인가요?

  • 99999999999999999999999999999999999999999999999999999990
  • 9999999999999999999999999999999999999999999999999999999
  • 10000000000000000000000000000000000000000000000000000000
  • 99999999999999999999999999999999999999999999999999999900

Question 4

Multiple Choice

9999999999999999999999999999999999999999999999999999999 × 2은 무엇인가요?

  • 19999999999999999999999999999999999999999999999999999998
  • 9999999999999999999999999999999999999999999999999999999
  • 10000000000000000000000000000000000000000000000000000000
  • 20000000000000000000000000000000000000000000000000000000

Question 5

Multiple Choice

이와 같은 큰 숫자 곱셈에서 계산의 주의점은 무엇인가요?

  • 정확한 자릿수를 맞추는 것
  • 부동 소수점 사용
  • 계산기를 사용하지 않기
  • 암산으로 해결하기

Question 6

Multiple Choice

9999999999999999999999999999999999999999999999999999999의 자릿수는 몇 개인가요?

  • 52
  • 61
  • 64
  • 82

Question 7

Multiple Choice

9999999999999999999999999999999999999999999999999999999 × 3은 무엇인가요?

  • 29999999999999999999999999999999999999999999999999999997
  • 29999999999999999999999999999999999999999999999999999999
  • 30000000000000000000000000000000000000000000000000000000
  • 9999999999999999999999999999999999999999999999999999999

Question 8

Multiple Choice

이 숫자에서 각 자릿수의 합은 무엇인가요?

  • 486
  • 558
  • 999
  • 729

Question 9

Multiple Choice

9999999999999999999999999999999999999999999999999999999 × 4은 무엇인가요?

  • 39999999999999999999999999999999999999999999999999999996
  • 40000000000000000000000000000000000000000000000000000000
  • 39999999999999999999999999999999999999999999999999999999
  • 9999999999999999999999999999999999999999999999999999999

Question 10

Multiple Choice

9999999999999999999999999999999999999999999999999999999 × 5은 무엇인가요?

  • 49999999999999999999999999999999999999999999999999999995
  • 50000000000000000000000000000000000000000000000000000000
  • 49999999999999999999999999999999999999999999999999999999
  • 9999999999999999999999999999999999999999999999999999999
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