1.

-3/5 *2/7 +1/5 +2/15 *3/5=?

Answer»

=  >  -  \frac{3}{5}  \times  \frac{2  }{7}  +  \frac{1}{5}  +  \frac{2}{15}  \times  \frac{3}{5}  \\  =  >  -  \frac{6}{35}  +  \frac{1}{5}  +  \frac{2 }{25}  \\  =  >  \frac{ - 30 + 35 + 14}{175}  \\  =  >  \frac{19}{175}   \\  =  > 9.2105



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