Cześć ;-)
Obliczenia
[tex]5\cdot0,3+3\cdot\frac{2}{5}=1,5+3\cdot\frac{4}{10}=1,5+3\cdot0,4=1,5+1,2=\boxed{2,7}\\\\1,2:\frac{1}{3}-1,4\cdot\frac{2}{7}=1,2\cdot3-0,2\cdot2=3,6-0,4=\boxed{3,2}[/tex]
Pozdrawiam!
Odpowiedź:
1,5+3*0,4=1,5+1,2=2,7
1,2:1/3-1,4*2/7=1 i 2/10 : 1/3-1 4/10 *2/7=12/10*3/1-14/10*7/2=36/10-7/10=29/10=2 9/10
