Question

please solution please solution please solution

Answer 1

3..bit
1.-3/4
2.5/21
3.-4/43

1..bit
1.closure..25/63
commutative...2/7+1/9=1/9+2/7
=25/63
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Answer 2

$\huge\red{\underline{{\bf A }}} \: \huge\orange{\underline{{\bf n }}} \: \huge\green{\underline{{\bf s }}} \huge\blue{\underline{{\bf w }}} \: \huge\purple{\underline{{\bf e }}} \huge\pink{\underline{{\bf r}}}$

3..bit

1.-3/4

2.5/21

3.-4/43

1..bit

1.closure..25/63

commutative...2/7+1/9=1/9+2/7

=25/63