7/9-47/72=56/72-47/72=9/72=1/8
1/8:1,25=1/8*4/5=2/5
2/5+7/40=16/40+7/40=23/40
0,358-0,108=0,25
23/40+0,25=23/40+1/4=23/40+10/40=
33/40
33/40*1,6=33/40*8/5=33/25
33/25-19/25=14/25
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7/9-47/72=56/72-47/72=9/72=1/8
1/8:1,25=1/8*4/5=2/5
2/5+7/40=16/40+7/40=23/40
0,358-0,108=0,25
23/40+0,25=23/40+1/4=23/40+10/40=
33/40
33/40*1,6=33/40*8/5=33/25
33/25-19/25=14/25