Page 38 - E-Modul Bentul Aljabar & Operasi Hitungnya
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= 7 , = + 4
= 6 − 5, = + 5
= (7 ) + ( + 4) = (6 − 5) + ( + 5)
= 7 + + 4 = 6 + − 5 + 5
= 6 +
7 + + 4
