[tex]\Big\{{46-\big[26:2+(18-6\cdot2):(4\cdot2-5)\big]\cdot3\Big\}\cdot15-10= $ $ \\ \\ =\Big\{{46-\big[13+(18-12):(8-5)\big]\cdot3\Big\}\cdot15-10 =$ $ \\ \\ = \Big[46-\big(13+6:3\big)\cdot3\Big]\cdot15-10 =$ $ \\ \\ =\Big[46-\big(13+2\big)\cdot3\Big]\cdot15-10 =$ $ \\ \\ =\Big(46-15\cdot3\Big)\cdot15-10 =$ $ \\ \\ =\Big(46-45\Big)\cdot15-10 =$ $ \\ \\=1\cdot15-10 =$ $ \\ \\ =15-10 = \\ \\ = 5[/tex]