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- \((-12).(-16)+16\)
- \(-13-21+13\)
- \(8+45:(-5)\)
- \(16+16.(-12)\)
- \(9+15:(-5)\)
- \(-30-23+9\)
- \(-4+24:(-8)\)
- \(6+8:(-4)\)
- \(70-35:7+19\)
- \(70-10:2+1\)
- \(24-8:2+7\)
- \(16-4:2+10\)
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Verbetersleutel
- \((-12).(-16)+16=192+16=208\)
- \(-13-21+13=-21\)
- \(8+45:(-5)=8+ (-9)=-1\)
- \(16+16.(-12)=16+(-192)=-176\)
- \(9+15:(-5)=9+ (-3)=6\)
- \(-30-23+9=-44\)
- \(-4+24:(-8)=-4+ (-3)=-7\)
- \(6+8:(-4)=6+ (-2)=4\)
- \(70-35:7+19=70-5+19=84\)
- \(70-10:2+1=70-5+1=66\)
- \(24-8:2+7=24-4+7=27\)
- \(16-4:2+10=16-2+10=24\)