а) 9 5/21-(10 2/3 - 3 5/28)=
б) 6 132/15+3 7/12 - 4 9/10=
в) 12+3 3/8 - 1 5/6=
г)7 8/15 + ( 5 7/10 - 4 )=
б) 6 132/15+3 7/12 - 4 9/10=
в) 12+3 3/8 - 1 5/6=
г)7 8/15 + ( 5 7/10 - 4 )=
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Answers & Comments
б) 6 132/15+3 7/12 - 4 9/10=(6+3-4)+(264+35-54/60)=5 49/12
в) 12+3 3/8 - 1 5/6=(12+3-1)+(9-20/24)=-14 11/24
г)7 8/15 + ( 5 7/10 - 4 )= (7+5-4)+(16+21/30)=8 37/30