Oblicz wartość wyrażenia (2,4-5,6 : 1 2/5) - (1 1/3)^2 * (-1,2)
(2,4-5,6∶1 2/5)- (1 1/3)^2∙ (-1,2)=
=(12/5-28/5:7/5)-(4/3) ²*(-12/10)=
=(12/5-28/5*5/7)-(16/9)*(-6/5)=
=(12/5-4)+ 96/45=
=-8/5+96/45=
=- 72/45+96/45=
=24/45=
=8/15
(2,4-5,6 : 1 2/5) - (1 1/3)^2 * (-1,2)=
(2,4-5,6:1,4)-16/9*(-6/5)=
(2,4-4)+32/15=
-1,6+32/15=
-8/5+32/15=
-24/15+32/15=8/15
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(2,4-5,6∶1 2/5)- (1 1/3)^2∙ (-1,2)=
=(12/5-28/5:7/5)-(4/3) ²*(-12/10)=
=(12/5-28/5*5/7)-(16/9)*(-6/5)=
=(12/5-4)+ 96/45=
=-8/5+96/45=
=- 72/45+96/45=
=24/45=
=8/15
(2,4-5,6 : 1 2/5) - (1 1/3)^2 * (-1,2)=
(2,4-5,6:1,4)-16/9*(-6/5)=
(2,4-4)+32/15=
-1,6+32/15=
-8/5+32/15=
-24/15+32/15=8/15