а) - 2/3 * 3/4 * (-4/5)
б) 3 * (-2/5) * (-5/9)
в) - 8 : 3/5 * 9/10
г) - 4/9 * 3/8 : (-2)
б) 3 * (-2/5) * (-5/9)
в) - 8 : 3/5 * 9/10
г) - 4/9 * 3/8 : (-2)
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Verified answer
А)-2/3*3/4*-4/5=
=2*1/5=
=2/5
б)
3*-2/5*-5/9=
=2*1/3=
=2/3
в)
-8:3/5*9/10=
=-8*5/3*9/10=
=-4*3=
=-12
г)
-4/9*3/8:(-2)=
=4/3*1/8*1/2=
=1/3*1/4=
=1/12