Zadanie 1
[tex]5+9-6=14-6=\boxed8\\\\15-8+7=7+7=\boxed{14}\\\\20-6-7=14-7=\boxed7\\\\2\cdot16:8=32:8=\boxed4\\\\45:5\cdot3=9\cdot3=\boxed{27}\\\\72:8:3=9:3=\boxed3[/tex]
Zadanie 2
[tex]14-(3+6)=14-9=\boxed5\\\\27-(15-7)=27-8=\boxed{19}\\\\27-(7+5)=27-12=\boxed{15}\\\\47-(2+13)=47-15=\boxed{32}\\\\48:(3\cdot2)=48:6=\boxed8\\\\60:(6:3)=60:2=\boxed{30}\\\\54:(3\cdot3)=54:9=\boxed6\\\\7\cdot(12:3)=7\cdot4=\boxed{28}[/tex]
Zadanie 3
[tex](7-2)\cdot5=5\cdot5=\boxed{25}\\\\4\cdot(5+2)=4\cdot7=\boxed{28}\\\\6\cdot(9-5)=6\cdot4=\boxed{24}\\\\(7+5)\cdot5=12\cdot5=\boxed{60}\\\\25:(7-2)=25:5=\boxed5\\\\(14+28):6=42:6=\boxed7\\\\56:(12-5)=56:7=\boxed8\\\\(42-6):9=36:9=\boxed4[/tex]
