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Mathematics, 17.05.2021 07:00 ava789

-2/5 -( -9/15) ? A -2/5+9/15=3/15
B -9/15-2/5=-1
C -9/15+2/5=-1/5
D 2/5 + 9/15=1

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-2/5 -( -9/15) ? A -2/5+9/15=3/15
B -9/15-2/5=-1
C -9/15+2/5=-1/5
D 2/5 + 9/15=1<...

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