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[(7/8-5/12-1/24)impartit(-1 1/24)-(-0,2)]impartit(-0,4)

Răspuns :

Simo1973
[(7/8-5/12-1/24)impartit(-1 1/24)-(-0,2)]impartit(-0,4)
(21-10-1/24)=10/24=5/12
-11/24+2/10=-110+48/240=-62/240

5/12*-240/62=-5*20/62
0,4=4/10=2/5

5*20*5/2*62=250/62=125/31

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