Question

Rotunjiti la a doua zecimala rezultatul calculului:
1,(3):{2,4·[1-0,1(6)²]}³.

Answer 1

1,(3):{2,4·[1-0,1(6)²]}³=
=(13-1) /9:{2,4·[1-(16-1)/90)²]}³=
=12/9 :{2,4·[1-15/90)²]}³=
=4/3 :{2,4·[1-1/6)²]}³=
=4/3 :{2,4·[1-1/36)]}³=
=4/3 :{2,4·[(36-1)/36]}³=
=4/3 :(2,4·35/36)³=
=4/3:(84/36)³=
=4/3:(7/3)³=
=4/3x(3/7)³=
=4/3x27/343=
=36/343=0,1049≈0,10