Odpowiedź:
zad 1
a) 1/4 - 1/8 + 5/6 = 2/8 - 1/8 + 5/6 = 1/8 + 5/6 = 3/24 + 20/24 = 23/24
b) 4/9 - 1/6 = 8/18 - 3/18 = 5/18
c) 5 1/2 - 2 2/3 = 5 3/6 - 2 4/6 = 4 9/6 - 2 4/6 = 2 5/6
d) - 4 3/8 : 1 3/32 = - 35/8 : 35/32 = - 35/8 * 32/35 = - 4
e) 3 3/8 * 1 3/5 = 27/8 * 8/5 = 27/5 = 5 2/5
f) 30,4 + 7,56 = 37,96
g) 40,5 - 17,438 = 23,062
h) 30,82 * 0,75 = 23,115
i) 2,03 : 0,058 = 35
