1)2 1/5+1,4=2,2+1,4=3,6=3 3/5=18/5
2)1 1/4*1 1/4=5/4*5/4=25/16*18/5=45/8=5 5/8=5,625
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1)2 1/5+1,4=2,2+1,4=3,6=3 3/5=18/5
2)1 1/4*1 1/4=5/4*5/4=25/16*18/5=45/8=5 5/8=5,625