(4,5:1/5-5/8:0,75)*2,3-3 2/3*2,3
(4,5:1/5-5/8:0,75)*2,3-3 2/3*2,3=41,4
1)4,5:1/5=4,5/0,2=45/2=22,5
2)5/8:0,75=5/6
3)45/2-5/6=65/3
4)65/3*2,3=299/6
5)3 2/3*2,3=253/30
6)299/6-253/30=207/5=41,4
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(4,5:1/5-5/8:0,75)*2,3-3 2/3*2,3=41,4
1)4,5:1/5=4,5/0,2=45/2=22,5
2)5/8:0,75=5/6
3)45/2-5/6=65/3
4)65/3*2,3=299/6
5)3 2/3*2,3=253/30
6)299/6-253/30=207/5=41,4