Math, asked by mahekmaan3, 10 hours ago

Using appropriate properties find. (i) -5/7 × 3/5 + 5/2 – 3/5 × 2/7 (ii) 7/3 × 2/11 + 3/11 + 2/11 × 5/3

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Answered by pratham7777775

Step-by-step explanation:

There are two test tubes containing sodium chloride and sodium sulphate solutions respectively. Suggest a method to know which is sodium sulphate.Using appropriate properties find. (i) -5/7 × 3/5 + 5/2 – 3/5 × 2/7 (ii) 7/3 × 2/11 + 3/11 + 2/11 × 5/3

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