1)2 1/3+5/6•3/5=2 1/3+1/2=2 2/6+3/6=5/6
2)7-4/5:2 1/2=7-8/25=6 17/25
3)1 1/4•1 3/5-(0,6-0,55)=1 1/4•1 3/5-0,05=2/1-0,05=20/10-0,05=2,0-0,05=1,95
4)4 1/2•2/3-1/4=3/1-2/3=2-2/3=1 1/3
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1)2 1/3+5/6•3/5=2 1/3+1/2=2 2/6+3/6=5/6
2)7-4/5:2 1/2=7-8/25=6 17/25
3)1 1/4•1 3/5-(0,6-0,55)=1 1/4•1 3/5-0,05=2/1-0,05=20/10-0,05=2,0-0,05=1,95
4)4 1/2•2/3-1/4=3/1-2/3=2-2/3=1 1/3