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September 2021
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Решите два задания,#506,#502
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Margarit6559
#506
1)-7,3+(-8,1)=-15,4
2)-6,5+3,2=-3,3
3)15,7+(-23,5)=-7,8
4)-6,91+12,4=5,49
5)46,56+(-58,17)=-11,61
6)-91,3+(-3,65)=-94,95
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Thanks 1
Дон2006
506
1)-7,3+(-8,1)=-7,3-8,1=-15,4
2)-6,5+3,2=-3,3
3)15,7+(-23,5)=15,7-23,5=-7,8
4)-6,91+12,4=5,49
5)46,56+(-58,17)=46,56-58,17=-11,61
6)-91,3+(-3,65)=-91,3-3,65=-94,95
502
1)=(-2/3+6 4/5)+(5/6-23/10)=(-10/15+6 12/15)+(25/30-69/30)=6 2/15+(-1 14/30)=6 2/15-1 14/30=6 4/30-1 14/30=5 34/30-1 14/30=4 20/30=4 2/3
2)=(-0,625-2,6)+(-4,875-3,4)=-3,225+(-8,275)=-3,225-8,275=-11,5
1 votes
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Answers & Comments
1)-7,3+(-8,1)=-15,4
2)-6,5+3,2=-3,3
3)15,7+(-23,5)=-7,8
4)-6,91+12,4=5,49
5)46,56+(-58,17)=-11,61
6)-91,3+(-3,65)=-94,95
1)-7,3+(-8,1)=-7,3-8,1=-15,4
2)-6,5+3,2=-3,3
3)15,7+(-23,5)=15,7-23,5=-7,8
4)-6,91+12,4=5,49
5)46,56+(-58,17)=46,56-58,17=-11,61
6)-91,3+(-3,65)=-91,3-3,65=-94,95
502
1)=(-2/3+6 4/5)+(5/6-23/10)=(-10/15+6 12/15)+(25/30-69/30)=6 2/15+(-1 14/30)=6 2/15-1 14/30=6 4/30-1 14/30=5 34/30-1 14/30=4 20/30=4 2/3
2)=(-0,625-2,6)+(-4,875-3,4)=-3,225+(-8,275)=-3,225-8,275=-11,5