Question

Punctul b) e urgent dau multe puncte!!

Answer 1

{(128/15)[1/5+x(4/3-6/5)](5/3)}/[(213-21)/90]=2³²/2³⁰
{(128/15){1/5+x[(20-18)/15]}(5/3)/(32/15)=4
(128/15)(1/5+2x/15)(5/3)(15/32)=4
(20/3)(1/5)+(20/3)(2/15)x=4
4/3+8x/9=4
x=(4-4/3)(9/8)
x=3