Răspuns :
2,78:3,5+9,6+[tex]\frac{56-5}{9}[/tex]=[tex]\frac{278}{100}[/tex]*[tex]\frac{35}{10}[/tex]+[tex]\frac{96}{10}[/tex]+[tex]\frac{51}{9}[/tex]=[tex]\frac{973}{100}[/tex]+[tex]\frac{960}{100}[/tex]+[tex]\frac{51}{9}[/tex]=[tex]\frac{1933}{100} +\frac{51}{9}[/tex]=[tex]\frac{17397+5100}{900}[/tex]=[tex]\frac{22497}{900}[/tex]=[tex]\frac{7499}{300}[/tex]
(82/10-542/100): 35/10+24/10:25/100+51/9=
= 278/100 • 10/35 + 24/10 • 100/25 +51/9
=278/10•35 + 24• 10/25 + 51/9
= 9730/10 + 240/25 + 51/9
= 973 + 48/5 + 51/9
= 973 + 48/5 + 17/3
= 973 + 144/15 + 85/ 15
=973 + 229/15
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= 278/100 • 10/35 + 24/10 • 100/25 +51/9
=278/10•35 + 24• 10/25 + 51/9
= 9730/10 + 240/25 + 51/9
= 973 + 48/5 + 51/9
= 973 + 48/5 + 17/3
= 973 + 144/15 + 85/ 15
=973 + 229/15
Sper ca te-am ajutat, coronita? M ar ajuta foarte mult...