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a fost răspuns

Calculati: a) (1/8-1/10) x 12+4:2, 5
B) [1, (24)]-0, (03)] x 33/20
Repede!!


Răspuns :

a) =[(5-4)/40]x12+4/1:25/10
=(1/40)·12+4/1·10/25
=12/40+40/25= simplif I fractie cu 4 iar a a II cu 5
=3/10+8/5=(3+8·2)/10
=19/10=1,9

b) 1,24=(124-1)/99=123/99
0,(03)=3/99
=(123/99-3/99)·33/20
=120/99·33/20=simplif=2

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