2/5+9/10÷1/2-1/4
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Answers
Answered by
1
Answer:
2/5 + 9/10 ÷ 1/2 - 1/4
= 2/5 + 9/10 × 2/1 - 1/4
= 2/5 + 18/10 - 1/4
= 4 + 18/10 - 1/4
= 22/10 - 1/4
= 44 - 5/20
= 39/20
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