5. Oblicz:
a)
13
+
314
=
9
13
12 + 12 = 1/2 = 1 1/2
一分 +
=
=
48 32,
20 A =
24
+24 24.
56
b) +唔一號+:5張 6
=
24.
40
173 +²²³ = 1500 + 20 = 33-43
+2.
10
90
2²² + 3 ²/1 =
74
8 5
=
d)6号-1 =
43/1-4/16 =
viec
d
zyli
