Question

1. [ ( -3¼) - 4 ] + 5½ =

2. (-3) * (-½) + ⅚ =

3. 6 - ½ * 8 + 8½ : ⅜ =

Proszę o odpowiedz. Z góry dziękuję! ; ))

Answer 1

1.)    [(-3 i 1/4)-4] + 5 i 1/2=(-3,25-4)+5 i 1/2 = (-7 i 1/4) + 5 i 1/2=

=(-7,25) + 5,5 = (-1,75)

 

2.)    (-3)*(-1/2)+5/6 = (-3/1)*(-1/2) + 5/6 = 3/2 + 5/6 =

= 9/6 + 5/6 = 14/6=2 i 2/6 = 2 i 1/3=2,33

 

3.)   6- 1/2 * 8 + 8 i 1/2 : 3/8= 6 - 1/2 * 8/1 + 8 i 1/2 : 3/8 =

= 6-4 + 17/2 * 8/3= 6-4+ 68/3 = 2+22 i 1/3 = 24 i 1/3 = 24,33

Answer 2

1. [ ( -3¼) - 4 ] + 5½ =

[ - 7 ¼] + 5½=

-7¼ + 5 ²/₄ =

- 6 ⁵/₄ +5 ²/₄ =

-1¾

 

2. (-3) * (-½) + ⅚ = 
³/₂ + ⅚ =

⁹/₆ + ⅚ =

¹⁴/₆ =

2²/₆ =

2⅓

 

3. 6 - ½ * 8 + 8½ : ⅜ = 
6 - ⁸/₂ + ¹⁷/₂ ÷ ⅜ =

6 - 4 + ¹⁷/₂ × ⁸/₃ =

2 + ⁶⁸/₃ =

2 + 22⅔ =

24⅔