Wykonaj obliczenia na liczbach wymiernych:
a) 4:2 1/3 - ²/₃=b) (-7) : (-1,4) + (-²/₅)
c) 10 - ¹/₂ * ²/₇ : ³/₇
a) 4:2 1/3 - ²/₃=3,888888888888889
b) (-7) : (-1,4) + (-²/₅) =-2,08
c) 10 - ¹/₂ * ²/₇ : ³/₇=0,1836734693877551
a)4/1*3/7-2/3=36/21-14/21=22/21=1 1/21
b)(-7):(-1,4)+(-2/5)=(-7):(-1,4)+(-0,4)=5-0,4=4,6
c)10-1/2*2/7:3/7=10-1/7:3/7=10-1/7*7/3=10-1/3=9 2/3
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a) 4:2 1/3 - ²/₃=3,888888888888889
b) (-7) : (-1,4) + (-²/₅) =-2,08
c) 10 - ¹/₂ * ²/₇ : ³/₇=0,1836734693877551
a)4/1*3/7-2/3=36/21-14/21=22/21=1 1/21
b)(-7):(-1,4)+(-2/5)=(-7):(-1,4)+(-0,4)=5-0,4=4,6
c)10-1/2*2/7:3/7=10-1/7:3/7=10-1/7*7/3=10-1/3=9 2/3