Question

calcule o valor da expressão 1,7+(⅔-0,25)-¼

Answer 1

1,7+(2/3-0,25)-1/4=

1,7=17/10
0,25=25/100=1/4

1,7+(2/3-0,25)-1/4=
17/10+(2/3-1/4)-1/4=
17/10+(8/12-3/12)-1/4=
17/10+5/12-1/4=
102/60+25/60-15/60=
127/60-15/60=
112/60= (simplifica por 4)
28/15