10.
[tex]a) 0,9:0,3=9:3=3\\2:0,5=20:5=4\\3:0,25=300:25=12[/tex]
[tex]b) 0,27:0,9=2,7:9=0,3\\0,63:0,009=630:9=70\\0,008:0,2-=0,08:2=0,04[/tex]
11.
[tex]0,33:3=0,11\\0,33:0,3=1,1\\0,33:0,03=11[/tex]
[tex]0,5:2=0,25\\0,5:0,2=2,5\\0,5:0,02=25[/tex]
12.
a) [tex](4,6+2,4)-2,5=4-2,5=1,5[/tex]
b) [tex]4*(1,5-0,6)=4*0,9=3,6[/tex]
c) [tex]20*1,5+0,6*0,4=30+0,24=30,24[/tex]
13.
[tex]I. 0,55:0,11-2,5=5-2,5=2,5\\II. 4,9:(5-4,3)=4,9:0,7=7\\III. 2,3-0,8^2=2,3-0,64=1,66\\IV. 9-(9-3,8)=3,8\\V. 0,9^2+0,09=0,81+0,09=0,9\\VI. 8,2+0,08:0,1=8,2+0,8=9[/tex]
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10.
[tex]a) 0,9:0,3=9:3=3\\2:0,5=20:5=4\\3:0,25=300:25=12[/tex]
[tex]b) 0,27:0,9=2,7:9=0,3\\0,63:0,009=630:9=70\\0,008:0,2-=0,08:2=0,04[/tex]
11.
[tex]0,33:3=0,11\\0,33:0,3=1,1\\0,33:0,03=11[/tex]
[tex]0,5:2=0,25\\0,5:0,2=2,5\\0,5:0,02=25[/tex]
12.
a) [tex](4,6+2,4)-2,5=4-2,5=1,5[/tex]
b) [tex]4*(1,5-0,6)=4*0,9=3,6[/tex]
c) [tex]20*1,5+0,6*0,4=30+0,24=30,24[/tex]
13.
[tex]I. 0,55:0,11-2,5=5-2,5=2,5\\II. 4,9:(5-4,3)=4,9:0,7=7\\III. 2,3-0,8^2=2,3-0,64=1,66\\IV. 9-(9-3,8)=3,8\\V. 0,9^2+0,09=0,81+0,09=0,9\\VI. 8,2+0,08:0,1=8,2+0,8=9[/tex]
I. topola osika
II. olcha
III. jesion
IV. lipa
V.buk
Vi. grab