Question

Efectuaţi:
1 supra 12 + 4 supra 5 : (1supra2-1supra3)​

Answer 1

1/12 + 4/5 : ( 1/2 - 1/3 ) =

1/12 + 4/5 : [ ( 3 - 2 ) / 6 ] =

1/12 + 4/5 : 1/6 =

1/12 + 4/5 · 6/1 =

1/12 + 24 / 5 =

( 5 + 288 ) / 60 = 293 / 60

Answer 2

1 / 12 + 4 / 5 : ( 1 / 2 - 1 / 3 ) =

1 / 12 + 4 / 5 : ( 3 / 6 - 2 / 6 ) =

1 / 12 + 4 / 5 : 1 / 6 =

1 / 12 + 4 / 5 × 6 / 1 =

1 / 12 + 24 / 5 =

5 / 60 + 288 / 60 = 293 / 60