1.(45,3-8,07)-(32,09-24,3) 4.(65-49,65)-(28,64-19,916)
2.(72-24,45)-(43-36,08) 5.(156-95,06)-(17,3-8,91)
3.(88,8-75,13)-(6,995-5,07) 6.(86,08-65,9)-(19,06-12,615)

1)45,3-8,07=37,23   32,09-24,3=7,79       37,23-7,79=29,44
4)65-49,65=15,35    28,64-19,916=12,724   15,35-12,724
2)72-24,45=47,55   43-36,08=6,92    47,55-6,92=40,63
5)156-95,06=60,94   17,3-8,91=9,39    60,94-9,39=51,55
3)88,8-75,13=13,67    6,995-5,07=1,925     13,67-1,925=11,745
6)86,08-65,9=20,18    19,06-12,615=6,445    20,18-6,445=14,735