Volgorde van bewerkingen (gevorderd)

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1. \(-20:10+90:(-9)\)
2. \(15+16-5.(-20)\)
3. \(20+66:(-6)\)
4. \(4+4.(5^2-12)\)
5. \(-5-2.(-9-6)+16\)
6. \(19+11-16.(-3)\)
7. \(-2+117:(-9)\)
8. \(12+12.(-17)\)
9. \(9-\sqrt{241-6.6^2}\)
10. \(-14+17.(-12)\)
11. \(10+6.3^2-2\)
12. \(4.2^2+(4.2)^2\)

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Verbetersleutel

1. \(-20:10+90:(-9)=-2+(-10)=-12\)
2. \(15+16-5.(-20)=15+16+100=131\)
3. \(20+66:(-6)=20+ (-11)=9\)
4. \(4+4.(5^2-12)=4+4.(25-12)=4+4.(13)=4+52=56\)
5. \(-5-2.(-9-6)+16=-5-2.(-15)+16=-5-(-30)+16=41\)
6. \(19+11-16.(-3)=19+11+48=78\)
7. \(-2+117:(-9)=-2+ (-13)=-15\)
8. \(12+12.(-17)=12+(-204)=-192\)
9. \(9-\sqrt{241-6.6^2}=9-\sqrt{241-6.36}=9-\sqrt{241-216}=9-\sqrt{25}=9-5=4\)
10. \(-14+17.(-12)=-14+(-204)=-218\)
11. \(10+6.3^2-2=10+6.9-2=10+54-2=62\)
12. \(4.2^2+(4.2)^2=4.2^2+(8)^2=4.4+64=16+64=80\)