{15/4 * [(155/21 - 21/4 * 48/35) : 38/14] + 5/3} : 23/8*3/2=
={15/4 * [(155/21 - 3/1 * 12/5) : 38/14]+5/3} * 8/23 * 3/2=
={15/4 * [(775 -756)/105 * 14/38] +5/3}*24/46=
={15/4 * [19/105 * 14/38] +5/3} *12/23=
=[15/4 * 1/15 * 2/2+5/3] *12/23=
=(1/4+5/3) *12/23=
=(3/12+20/12) *12/23=
=23/12 *12/23=
=1 Sper ca te-am ajutat
