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= -2 + (3 x 4)
= -2 + 12
= 10 (C)
Tips:
Kerjakan dahulu perkalian/pembagian, setelah itu baru pertambahan/pengurangan
5). (2,5)²
= 2,5 x 2,5
= 6,25 (B)
7). √64
= 8, (D) karena 8 dikali 8 hasilnya 64