Uji mantap matematika

Yak. Judulnya aja udah nyeremin kan? And you know who made those question? Pa dindin dong HA._.
Stgh jam berlalu dan gue baru nyelesein 4 nomor ffffuuuuu baru nyoba ngerjain soal nomer 1 aja susah fffffffff


Unyu inyiminyi envy anyone?