Oblicz jak najprosztszym sposobem:
a)12-2/7-7+13i3/7= /<-- kreska ułamkowa
b)-5,8+2,7-2,2+0,3=
c)-5 i 1/8+1 i 1/12+2 i 7,12+1/8+
d)-0,5-3/4+1 i 1/2-0,25=
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a) = 23 i 3/7
b) = -8 + 3
c) = -5 i 3/24 + 1 i 2/24 + 2 i 14/24 + 3/24 = -5 i 3/24 + 3 i 19/24 = -1 i 8/24
d) = -0,5 - 0,75 - 0,25 - 1,5 = 0
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a) 12-2/7-7+13 3/7 = 10 / 13 3/7 = 10 / 94/7 = 10 * 7/94 = 70/94 = 35/47
b)-5,8+2,7-2,2+0,3 = -3,1 - 1,9 = -5
c)-5 1/8 + 1 1/12 + 2 7/12 +1/8 = -41/8 + 13/12 + 31/12 + 1/8 = -123/24 + 26/24 + 62/24 +3/24 = 214/24 = 107/12 = 8i11/12
d)-0,5-3/4+1 1/2 - 0,25 =-0,5 - 0,75 + 1,5 - 0,25 = 0