a) 1 cała 5/6 - 3 całe 1/3 = = 11/6 - 10/3 = = 11/6 - 20/6 = = -9/6 = = -3/2 = = -1,5 ============================== b) 4,3 - 7,5 = = -3,2 ============================== c) -4,5 - 2 całe 1/4 = = -4,5 - 2,25 = = -6,75 ============================== d) - 3 całe 1/6 -(-5 całe 5/6 ) = = -19/6 + 35/6 = = 16/6 = = 2 i 4/6 = = 2 i 2/3 ============================== e) 7 całych 1/3 +(-4 całę 5/6) = = 22/3 - 29/6 = = 44/6 - 29/6 = = 15/6 = = 2 i 3/6 ============================== f) -5 całe 4/7 + 7 = = -5 i 4/7 + 6 i 7/7 = = -39/7 + 49/7 = = 10/7 = = 1 i 3/7 ============================== g) 1,23 - 9 = = -7,77 ============================== h ) -6-(-4 całe 5/9) = = -6 + 41/9 = = -5 i 9/9 + 41/9 = = -54/9 + 41/9 = = -13/9 = = -1 i 4/9
a) 1 5/6 - 3 1/3 = 11/6 - 10/3 = 11/6 - 20/6 = - 9/6 = - 1 3/6 = - 1 1/2 b) 4,3 - 7,5 = - 3,2 c) - 4,5 - 2 1/4 = - 4,5 - 2,25 = - 6,75 d) - 3 1/6 - (- 5 5/5) = - 3 1/6 + 5 5/6 = 2 4/6 = 2 2/3 e) 7 1/3 + (- 4 5/6) = 7 1/3 - 4 5/6 = 7 2/6 - 4 5/6 = 44/6 - 29/6 = 15/6 = 2 3/6 f) - 5 4/7 + 7 = - 5 4/7 + 6 7/7 = - 39/7 + 49/7 = 10/7 = 1 3/7 g) 1,23 - 9 = - 7,77 h) - 6 - (- 4 5/9) = - 6 + 4 5/9 = - 6 + 41/9 = - 5 9/9 + 41/9 = - 54/9 + 41/9 = -13/9 = -1 4/9