Question

7 4/5*3/5+2 4/5:8 3/4

Answer 1

=
39/5x3/5+14/5:35/4=
117/25+14/5x4/35=
117/25+56/175=
n.c.=175
=(7x117+56)/175=(819+56)/175=875/175=5

Answer 2

1 ). 7 4/5*3/5=39/5:3/5=117/25=4 17/25. 2 ) 2 4/5:8 3/4=14/5:35/4=14/5*4/35=2/5*4/5=8/25. 3 ) 4 17/25 +8/25 =4 25/25 =4+1 = 5. Cam așa