Oblicz proszę o rozszerzone rozwiązania 2,2+12/7+(-1,2)+(-1 5/7)
6 1/2 + (-3,25)+ (-1 3/4) + 1
-3,9 + 5/8 + (-0,1) + 0,375
-(-(-(3) + (2)) + (-(-3))
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2,2+12/7+(-1,2)+(-1 5/7) = 2,2 - 1,2 + 12/7 - 1 5/7 = 1 + 12/7 - 12/7 = 1
6 1/2 + (-3,25)+ (-1 3/4) + 1 = 13/2 - 7/4 - 3,25 + 1 = 26/4 - 7/4 - 2,25 = 19/4 - 2 1/4 = 19/4 - 9/4 = 10/4 = 5/2 = 2 1/2
-3,9 + 5/8 + (-0,1) + 0,375 = -3,9 - 0,1 + 0,375 + 5/8 = -4 + 0,375 + 0,625 = -4 + 1 = -3
-(-(-(3) + (2)) + (-(-3)) = -(-(-3 + 2 ) + 3) = -(- (-1) + 3) = -(1 + 3) = -4
2,2 +12/7 +(-1,2)+(-1i5/7) = 2 i1/5 +1 i 5/7 -1i1/5 - 1i 5/7 = 1
6 i1/2+(-3,25)+(-1i3/4) +1 = 6,5 -3,25-1,75 +1 = -2,5
-3,9 +5/8 +(-0,1) + 0,375 = -3,9 + 0,625 -0,1 + 0,375 = -4 + 1 = - 3
-{-[-(3) +(2)] + [-(-3)] = - 1 + 3 = 2