4
Oblicz.
a) 2*1 1/4
b) 3*2 2/3
C) 1 3/4* 4
d) 2 1/2*6​


Odpowiedź :

Odpowiedź:

2 * 1 i 1/4 = 2 * 5/4 = 10/4 = 2 i 2/4 = 2 i 1/2

3 * 2 i 2/3 = 3 * 8/3 = 24/3 = 8

1 i 3/4 * 4 = 7/4 * 4 = 28/4 = 7

2 i 1/2 * 6 = 5/2 * 6 = 30/2 = 15