1-Efectuaţi calculul: [tex]2\dfrac{8}{4}=\dfrac{16}{4}=4[/tex]
2-Efectuaţi calculul: [tex]368\dfrac{453}{3}=\dfrac{1557}{3}=519[/tex]
3-Efectuaţi calculul: [tex]{1628}{2}=814[/tex]
4-Efectuaţi calculul: [tex]6\dfrac{3}{2}=\dfrac{6\cdot2+3}{2}=\dfrac{12+3}{2}=\dfrac{15}{2}[/tex]
5-Efectuaţi calculul: [tex]90\dfrac{10}{5}=\dfrac{460}{5}=92[/tex]