Potrzebna mi pomoc w rozwiązaniu 9 przykładów . !
( muszą być rozpisane a nie tylko wyniki ) .
-28 + 12 ∙ (-0,5)2 – 6 ∙ (-1/2)3 =
-1/23 + (-0,4)3 : (1 1/5)2 ∙ 2 13/16 =
- [ - (-0,75)2 + (1 1/4)2 ] – 4 ∙ (-1/2)4 =
130 – [ (-6)2 ∙ 4/32 – 32/8 – (-0,5)3 ] : 4 2/7 =
(-0,25)2 : (-1/8) : (-2)2 - (- 1000)0 =
[ (-0,5)3 + 2 1/4 ] : [(-0,25) + (-2)2 ] =
- (-5)2 ∙ 1/53 – (2,3 – 2 1/2)2
- 42 – 0,43 : (-0,64) – (1/2)2 =
- 22 – (13 – 72) – (-0,1) 3 ∙ 103 =

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Odpowiedzi

Najlepsza Odpowiedź!
2010-02-03T12:00:32+01:00
-28 + 12 ∙ (-0,5)² – 6 ∙ (-1/2)³ = - 28 +(12 *0,25) - 6 * (- 1/8) = -28 +3 +6/8 = -25 + 6/8 = -24 2/8 = -24 1/4

-1/23 + (-0,4)³ : (1 1/5)² ∙ 2 13/16 =-1/23 + (-0,064) : 36/25 * 45/16 = -1/23 - 64/1000 * 25/36 * 45/16 = - 1/23 - 1/8 = - 8/184 - 23/184 = -31 /184

- [ - (-0,75)² + (1 1/4)² ] – 4 ∙ (-1/2)⁴ =-[ - 9/16 +25/16] -4 •1/16 = - 1 -1/4 = -1 1/4

130 – [ (-6)²∙ 4/32 – 32/8 – (-0,5)³ ] : 4 2/7 = 130 - [ 36 •4/32 -4 + 0,125] :30/7= 130 - 0,125 :30/7= 130 -[ 4/8+ 1/8 ]• 7/30 =130 -5/8• 7/240 = 130 -35 /240 = 129 205/240 = 129 41/48

(-0,25)² : (-1/8) : (-2)² - (- 1000)⁰ = 1/16 :(-1/8) :4- 1 = 1/16•(-8) :4 -1 = 1/2 • 1/4 -1 = 1/8 -1 = -7/8

[ (-0,5)³ + 2 1/4 ] : [(-0,25) + (-2)² ] =[-1/8 + 2 1/4] ;[ -1/4 + 4] = 2 1/8 : 3 3/4 = 17/8 • 4/15 = 17/30

- (-5)² ∙ 1/5³ – (2,3 – 2 1/2)² = -25 • 1/125 - (0,2)² = -1/5 - 1/25 = -5/25 - 1/25 = - 6/25
- 42 – 0,4³ : (-0,64) – (1/2)² = -42 + 0,1 - 0,25 = - 42,15
- 22 – (13 – 72) – (-0,1) ³ ∙ 10³ =- 22 – (13 – 72) –1 = -22 + 59 - 1 =36
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