Odpowiedzi

2010-03-01T17:46:46+01:00
A)-1,2
b)25
c)-²⁰/₉
d)-¹/₉
e)-¹/₄
f)⁵/₄
g)2,5
2010-03-01T17:47:54+01:00
9/10: (-3/4)= -1,2
(-1 1/2) : (-0,06)=91,6666666666667
(-2 2/3) :1,2= -6,11111111111111
2/3: (-6)= -0,1111111111111111
(-0,45): 1 4/5=-0,00642857142857143
(-2,75): (2,2)= -6,05
(-3,5) : (-1 2/5)=8,4
2010-03-01T18:22:27+01:00
A) 9/10 : (-3/4) = 9/10 * ( - 4/3) = - 36/30 = - 1 3/15 = - 1 1/5
b) (-1 1/2) : (-0,06)= ( - 3/2) : ( - 6/100) = ( - 3/2) * ( - 100/6) = 25
c) (-2 2/3) :1,2= ( - 8/3) : 1 2/10= ( - 8/3): 12/10= (- 8/3)* 10/12 = 2 2/9
d) 2/3: (-6)= 2/3 * ( - 1/6) = 1/9
e) (-0,45): 1 4/5= ( - 45/100) : 9/5 = ( - 45/100) * 5/9 = 5/20 = 1/4
f) (-2,75): (2,2)= ( - 2 75/100) : ( - 2 2/10) = ( 275/100) : ( 22/10) = (- 275/100) * ( - 10/22) = 275/220 = 55/44 = 5/4
g) (-3,5) : (-1 2/5)= ( - 3 5/10) : ( - 7/5) = (- 55/10) * ( - 5/7) = 5/2 = 2 1/2

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