Пж помогииииитеееее​

Question

Пж помогииииитеееее​

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Answer 1

5/9*(-4/7)-3/7*5/9=-5/9

1) 5/9 * (-4/7) = -20/63

2)-3/7*5/9=-15/63

3)-20/63-15/63=-35/63=-5/9

Answer 2

-5/9*4/7-3/7*5/9=-5/9*4/7-1/7*5/3=-20/63-1/7*5/3=-20/63-5/21=-5/9=0,555556