Question

9/23-3/25+14/23-1/15= 1/2+4/5-3/10要递等式

Answer 1

1.9/23-3/25+14/23-1/15

= 9/23+14/23-(3/25+1/15)

=1-(9+5)/75

=61/75

2.1/2+4/5-3/10

=1/2+1/2

=1

3.14/15-4/5+X=1

x=13/15

4.X+1/5+3/20=1

x=13/20

5.4/5+X=14/15

x=2/15

6.X-1/6=1/2

x=1/2+1/6=2/3 .