Volgorde van bewerkingen (gevorderd)

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1. \(8+6.2-36:6+4\)
2. \(4.4^2+(4.4)^2\)
3. \(5.(-3)-8.(-7)-9\)
4. \(-12+8:(-4)\)
5. \((-20).(-13)+14\)
6. \(8.(-8)-5.(-4)-9\)
7. \(10-\sqrt{20-4.2^2}\)
8. \(-5.\sqrt{\frac{100}{49}}-\left[(\frac{19}{20}-3)-(-4)^3\right]\)
9. \(13+17-6.(-2)\)
10. \(10-\sqrt{162-2.3^2}\)
11. \(-18:6+24:(-4)\)
12. \(5+2.5^2-4\)

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Verbetersleutel

1. \(8+6.2-36:6+4=8+12-6+4=18\)
2. \(4.4^2+(4.4)^2=4.4^2+(16)^2=4.16+256=64+256=320\)
3. \(5.(-3)-8.(-7)-9=-15+56-9=32\)
4. \(-12+8:(-4)=-12+ (-2)=-14\)
5. \((-20).(-13)+14=260+14=274\)
6. \(8.(-8)-5.(-4)-9=-64+20-9=-53\)
7. \(10-\sqrt{20-4.2^2}=10-\sqrt{20-4.4}=10-\sqrt{20-16}=10-\sqrt{4}=10-2=8\)
8. \(-5.\sqrt{\frac{100}{49}}-\left[(\frac{19}{20}-3)-(-4)^3\right]=-5.\frac{10}{7}-\left[(\frac{19}{20}-3)+64\right]=\frac{-50}{7}-\left[(\frac{-41}{20})+64\right]=\frac{-50}{7}-\left[\frac{1239}{20}\right]=\frac{-9673}{140}\)
9. \(13+17-6.(-2)=13+17+12=42\)
10. \(10-\sqrt{162-2.3^2}=10-\sqrt{162-2.9}=10-\sqrt{162-18}=10-\sqrt{144}=10-12=-2\)
11. \(-18:6+24:(-4)=-3+(-6)=-9\)
12. \(5+2.5^2-4=5+2.25-4=5+50-4=51\)