salah = 20 - 18 = 2 soal
[tex]benar = \: \: \: \: \: \: \: 18 \times 1 = 18 \\ salah = 2 \times ( - 1) = - 2 \\ - - - - - - - - - - - + \\ nilai \:ujian \: Santi \: \: = 16[/tex]
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salah = 20 - 18 = 2 soal
[tex]benar = \: \: \: \: \: \: \: 18 \times 1 = 18 \\ salah = 2 \times ( - 1) = - 2 \\ - - - - - - - - - - - + \\ nilai \:ujian \: Santi \: \: = 16[/tex]