Volgorde van bewerkingen (gevorderd)

Hoofdmenu Eentje per keer  🖨

Reken uit

1. \(17+20:(-4)\)
2. \(5.(-9)-6.(-8)-6\)
3. \(\sqrt{\dfrac{49}{16}}-\left(\dfrac{15}{8}\right)^2\)
4. \(2-\sqrt{236-2.10^2}\)
5. \(75-25:5+11\)
6. \(8+5.10-42:6+7\)
7. \(7+3.(7^2-2)\)
8. \(-13-6.(-8-19)+2\)
9. \(-30:10+20:(-2)\)
10. \(-6-8.(-9-7)+20\)
11. \(5+4.(3^2-6)\)
12. \(7.(-7)-8.(-2)-2\)

---

Reken uit

Verbetersleutel

1. \(17+20:(-4)=17+ (-5)=12\)
2. \(5.(-9)-6.(-8)-6=-45+48-6=-3\)
3. \(\sqrt{\dfrac{49}{16}}-\left(\dfrac{15}{8}\right)^2= \dfrac{7}{4} - \dfrac{225}{64}= \dfrac{112}{64} - \dfrac{225}{64}= \dfrac{-113}{64}\)
4. \(2-\sqrt{236-2.10^2}=2-\sqrt{236-2.100}=2-\sqrt{236-200}=2-\sqrt{36}=2-6=-4\)
5. \(75-25:5+11=75-5+11=81\)
6. \(8+5.10-42:6+7=8+50-7+7=58\)
7. \(7+3.(7^2-2)=7+3.(49-2)=7+3.(47)=7+141=148\)
8. \(-13-6.(-8-19)+2=-13-6.(-27)+2=-13-(-162)+2=151\)
9. \(-30:10+20:(-2)=-3+(-10)=-13\)
10. \(-6-8.(-9-7)+20=-6-8.(-16)+20=-6-(-128)+20=142\)
11. \(5+4.(3^2-6)=5+4.(9-6)=5+4.(3)=5+12=17\)
12. \(7.(-7)-8.(-2)-2=-49+16-2=-35\)