73+3!
64+3!
34+2!
89+2!
74+5!
Note:W lulus gak ya seleksi olimpiade MTK dan IPA? v:
QUIS
Jawaban:
1. 73 + 3!
73 + (3 × 2) × 1
73 + (6 × 1)
(73 + 6)
79
2. 64 + 3!
64 + (3 × 2) × 1
64 + (6 × 1)
(64 + 6)
70
3. 34 + 2!
34 + (2 × 1)
(34 + 2)
36
4. 89 + 2!
89 + (2 × 1)
(89 + 2)
91
5. 74 + 5!
74 + (5 × 4) × (3 × 2) × 1
74 + (20 × 6) × 1
74 + (120 × 1)
(74 + 120)
194
Penjelasan dengan langkah:
73 + 3!
73 + (3x2x1)
73 + 6
79
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64 + 3!
64 + (3x2x1)
64 + 6
70
________________________________________________________________
34 + 2!
34 + (2×1)
34 + 2
36
________________________________________________________________
89 + 2!
89 + (2×1)
89 + 2
91
________________________________________________________________
74 + 5!
74 + (5x4x3x2x1)
74 + 120