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(-3a-1 1/2):(-3)=a + 0,5
(2,4a - 1,6b):0,8=3a - 2b
(4u-6v):(-1/2)=-8a + 12v
(-3a-1 1/2):(-3)=a+1/2
(2,4a-1,6b):0,8=3a-2b
(4u-6v):(-1/2)= 8a + 12v
(-3a-1 1/2):(-3)=(-3a- 1,5) : (-3)= -a- 0,5
(2,4a-1,6b):0,8= 3a-2b
(4u-6v):(-1/2) = -8u+3v