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- \(-4+7=\)
- \(3-9=\)
- \(4-8=\)
- \(8-9=\)
- \(-1+8=\)
- \(-9+3=\)
- \(7-9=\)
- \(-1+2=\)
- \(6-10=\)
- \(2-2=\)
- \(-11-7=\)
- \(-7+4=\)
Reken uit
Verbetersleutel
- \(-4+7=3\)
- \(3-9=-6\)
- \(4-8=-4\)
- \(8-9=-1\)
- \(-1+8=7\)
- \(-9+3=-6\)
- \(7-9=-2\)
- \(-1+2=1\)
- \(6-10=-4\)
- \(2-2=0\)
- \(-11-7=-18\)
- \(-7+4=-3\)