Oblicz. Pamiętaj o kolejności wykonywania działań.
a) 1 5/6 : 3 2/3 x 1 1/7
b) (1/2)do potęgi 3 x 2 2/3 : 1 1/6
c) 1 1/4 x 6 - 3 : 1 1/5
d) (4 3/8 - 1 2/3) : 3 3/4
e) 2 1/5 - 1 1/6 : 3 3/4
f [(3/8 + 1/6) : 3 1/4] - (1/3) do potęgi 3
g) 5/8 : 1 2/3 + 1 4/5 x 5/6 - 5/9 x (1 3/4 - 2/5) + 1 5/6
h) 1 1/3 x 1 1/4 - 1 1/2 : 1 1/5 + 1 1/8 : (1 1/8 - 3/4) + 1 5/6

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Oblicz Pamiętaj O Kolejności Wykonywania Działań A 1 56 3 23 X 1 17 B 12do Potęgi 3 X 2 23 1 16 C 1 14 X 6 3 1 15 D 4 38 1 23 3 34 E 2 15 1 16 3 34 F 38 16 3 14 class=

Odpowiedź :

Odpowiedź:

a) 11/6 : 11/3 * 8/7 = 11/6 * 3/11 * 8/7 = 1/2 * 8/7 = 4/7

b) 1/4 * 8/3 : 7/6 = 2/3 * 6/7 = 4/7

c) 5/4 * 6/1 - 3/1 : 6/5 = 5/2 - 3/1 * 5/6 = 52 = 1 i 3/2

d) (35/8 - 5/3) : 15/4 = (105/24 - 40/24) : 15/4 = 65/24 * 4/15 = 13/18

e) 11/5 - 7/6 : 7/3 = 11/5 - 7/6 * 3/7 = 11/5 - 1/2 = 22/10 - 5/10 = 17/10 = 1 7/10

f) [(3/8 + 1/6) : 13/4] - 1/27 = [18/48 + 8/48) : 13/4] - 1/27 = 26/48 * 4/13 - 1/27 = 2/12 - 1/27 = 18/108 - 4/108 = 12/108

g) 5/8 : 5/3 +9/5 * 5/6 - 5/9 * (7/4 - 2/5) + 11/6 = 5/8 * 5/3 + 9/5 * 5/6 - 5/9 * (35/20 - 8/20) + 11/6 = 3/8 +3/2 - 5/9 * 27/20 + 11/6 = 3/8 + 3/2 - 15/20 + 11/6 = 3/8 + 12/8 - 81/60 + 110/60 = 20/8 - 191/60 = 300/120 - 382/120 = 18/120 = 3/20

h) 4/3 * 5/4 - 3/2 * 5/6 + 9/8 : (9/8 - 6/8) + 11/6 = 5/3 - 5/4 + 9/8 * 8/3 + 11/6 = 5/3 - 5/4 + 3/1 + 11/6 = 20/12 - 15/12 + 36/12 + 22/12 = 5/12 + 58/12 = 63/12 = 5 i 1/4