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Sequencing
Elementary 4-2
Mathematics
초등 수학 4-2
강문선
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# 1

Multiple Choice

두 가지 문제의 정답으로 옳은 것은?

27+37=​\frac27+\frac37=​?

4919=​\frac49-\frac19=​?

  • 57,39​\frac57,\frac39​

  • 67,39​\frac67,\frac39​

  • 57,59​\frac57,\frac59​

  • 17,59​\frac17,\frac59​

# 2

Short Answer

58316=​\frac58-\frac{3}{16}=​정답은?

  • 7/16

# 3

OX

125+310=1610​1\frac25+\frac{3}{10}=1\frac{6}{10}​이다.

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