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- \(10 \times 9 = \)
- \(27 : 9 = \)
- \(1 \times 9 = \)
- \(63 : 9 = \)
- \(2 \times 9 = \)
- \(5 \times 9 = \)
- \(72 : 9 = \)
- \(6 \times 9 = \)
- \(9 : 9 = \)
- \(36 : 9 = \)
- \(90 : 9 = \)
- \(4 \times 9 = \)
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Verbetersleutel
- \(10 \times 9 = 90\)
- \(27 : 9 = 3\)
- \(1 \times 9 = 9\)
- \(63 : 9 = 7\)
- \(2 \times 9 = 18\)
- \(5 \times 9 = 45\)
- \(72 : 9 = 8\)
- \(6 \times 9 = 54\)
- \(9 : 9 = 1\)
- \(36 : 9 = 4\)
- \(90 : 9 = 10\)
- \(4 \times 9 = 36\)