5/10of21/15×4/5÷7/10+2÷5-1/2
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Answer:
7/10
Step-by-step explanation:
5/10 * 21/15 * 4/5 * 10/7 + 2/5 - 1/2
= 4/5 + 2/5 - 1/2
= 6/5 - 1/2
= 7/10
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According to me this is the required answer
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