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- \(9 \times 3 = \)
- \(10 \times 3 = \)
- \(2 \times 3 = \)
- \(1 \times 3 = \)
- \(7 \times 3 = \)
- \(21 : 3 = \)
- \(27 : 3 = \)
- \(30 : 3 = \)
- \(6 : 3 = \)
- \(8 \times 3 = \)
- \(18 : 3 = \)
- \(15 : 3 = \)
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Verbetersleutel
- \(9 \times 3 = 27\)
- \(10 \times 3 = 30\)
- \(2 \times 3 = 6\)
- \(1 \times 3 = 3\)
- \(7 \times 3 = 21\)
- \(21 : 3 = 7\)
- \(27 : 3 = 9\)
- \(30 : 3 = 10\)
- \(6 : 3 = 2\)
- \(8 \times 3 = 24\)
- \(18 : 3 = 6\)
- \(15 : 3 = 5\)