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( samakan dulu semua penyebutnya )
47-24 = 23
23x salah
23x(-2) = -46
21x menang
21x3 = 63
3x seri
3x(-1) = -3
63-(-46+(-3))
63-(-46-3)
63-49 (anggaplah 49)
14 point (a)
2). 1 2/5, 122%, 7/4, 1,66
ubah jadi desimal
1,4; 1,22; 1,75; 1,66
1,22; 1,4; 1,66; 1,75
122%; 1 2/5; 1,66; 7/4