Odpowiedź:
a)
- 5,65 + (-2,08) - 1,35 =
= - 5,65 - 2,08 - 1,35 =
= - 9,08
b)
6,51 + (- 2,775) - 11,125=
= 6,51 - 2,775 - 11,125=
= -7,39
c)
- 10/9 + (-1/6) + 9 i 3/4 - (-6,25) =
= - 10/9 - 1/6 + 9 i 3/4 + 6 i 25/100 =
= - 20/18 - 3/18 + 9 i 3/4 + 6 i 1/4=
= - 23/18 + 16 =
= - 1 i 5/18 + 16 =
= 14 i 13/18
d)
- 9,3 - (- 12 i 1/5) - (72,8 - (-13,002)) =
= - 9,3 + 12 i 2/10 - (72,8 + 13,002) =
= - 9,3 + 12,2 - 85,802 =
= 2,9 - 85,802=
= -82,902
Szczegółowe wyjaśnienie:
a) -5,65 + (-2,08) - 1,35 = -5,65 - 2,08 - 1,35 = -9,08
b) 6,51 + (-2,775) - 11,125 = 6,51 - 2,775 - 11,125 = -7,39
[tex]-\frac{10}{9} +(-\frac{1}{6} ) + 9\frac{3}{4} -(-6,25) = -\frac{10}{9} -\frac{1}{6} + 9\frac{3}{4} +6\frac{1}{4} = -\frac{10}{9} -\frac{1}{6} + 9\frac{3}{4} +6\frac{1}{4}=-\frac{40}{36} -\frac{6}{36} +9\frac{27}{36} +6\frac{9}{36} = 15 - \frac{10}{36} =14\frac{36}{36} -\frac{10}{36} =14\frac{26}{36} =14\frac{13}{18}[/tex]
[tex]-9,3 - (-12\frac{1}{5} ) - (72,8 -(-13,002))=-9,3 - (-12,2 ) - (72,8 -(-13,002))=-9,3 +12,2-(72,8+13,002)=-9,3 +12,2-(72,8+13,002)=-9,3 +12,2-85,802=-82.902[/tex]
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Odpowiedź:
a)
- 5,65 + (-2,08) - 1,35 =
= - 5,65 - 2,08 - 1,35 =
= - 9,08
b)
6,51 + (- 2,775) - 11,125=
= 6,51 - 2,775 - 11,125=
= -7,39
c)
- 10/9 + (-1/6) + 9 i 3/4 - (-6,25) =
= - 10/9 - 1/6 + 9 i 3/4 + 6 i 25/100 =
= - 20/18 - 3/18 + 9 i 3/4 + 6 i 1/4=
= - 23/18 + 16 =
= - 1 i 5/18 + 16 =
= 14 i 13/18
d)
- 9,3 - (- 12 i 1/5) - (72,8 - (-13,002)) =
= - 9,3 + 12 i 2/10 - (72,8 + 13,002) =
= - 9,3 + 12,2 - 85,802 =
= 2,9 - 85,802=
= -82,902
Szczegółowe wyjaśnienie:
Odpowiedź:
a) -5,65 + (-2,08) - 1,35 = -5,65 - 2,08 - 1,35 = -9,08
b) 6,51 + (-2,775) - 11,125 = 6,51 - 2,775 - 11,125 = -7,39
c)
[tex]-\frac{10}{9} +(-\frac{1}{6} ) + 9\frac{3}{4} -(-6,25) = -\frac{10}{9} -\frac{1}{6} + 9\frac{3}{4} +6\frac{1}{4} = -\frac{10}{9} -\frac{1}{6} + 9\frac{3}{4} +6\frac{1}{4}=-\frac{40}{36} -\frac{6}{36} +9\frac{27}{36} +6\frac{9}{36} = 15 - \frac{10}{36} =14\frac{36}{36} -\frac{10}{36} =14\frac{26}{36} =14\frac{13}{18}[/tex]
d)
[tex]-9,3 - (-12\frac{1}{5} ) - (72,8 -(-13,002))=-9,3 - (-12,2 ) - (72,8 -(-13,002))=-9,3 +12,2-(72,8+13,002)=-9,3 +12,2-(72,8+13,002)=-9,3 +12,2-85,802=-82.902[/tex]