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- \(20 : 2 = \)
- \(2 \times 10 = \)
- \(3 \times 2 = \)
- \(8 \times 5 = \)
- \(6 \times 8 = \)
- \(18 : 2 = \)
- \(10 : 10 = \)
- \(2 \times 6 = \)
- \(1 \times 2 = \)
- \(8 \times 10 = \)
- \(7 \times 5 = \)
- \(9 \times 9 = \)
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Verbetersleutel
- \(20 : 2 = 10\)
- \(2 \times 10 = 20\)
- \(3 \times 2 = 6\)
- \(8 \times 5 = 40\)
- \(6 \times 8 = 48\)
- \(18 : 2 = 9\)
- \(10 : 10 = 1\)
- \(2 \times 6 = 12\)
- \(1 \times 2 = 2\)
- \(8 \times 10 = 80\)
- \(7 \times 5 = 35\)
- \(9 \times 9 = 81\)