1. Oblicz.
a.3 2/3 * 5/8 =...
b.3 1/2 * 6/7 =...
c.1 1/4 * 1 3/5 =...
d.3 1/3 * 5 2/5 =...
e.1/3 * 3/4 * 2/3=...
f.1/6 * 1 7/8 * 2/5=...
2.Oblicz.
a. (3,24 + 0,32) : 4 =....
b. 32,64 : 0,8 :2 = ...
c.( 13,7 - 10,2) : 0,25 = ...
Daje naj.......................
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1.
a. 3 i 2/3*5/8=11/3*5/8=55/24=2 i 7/24
b.3 i 1/2*6/7=7/2*6/7=3
c.1 i 1/4* 1 i 3/5=5/4*8/5=2
d.3 i 1/3*5 i 2/5=10/3*27/5=18
e.1/3*3/4*2/3=1/1*1/2*1/3=1/6
f.1/6*1 i 7/8*2/5=1/6*15/8*2/5=1/2*1/4*1/1=1/8
2.
a.(3,24+0,32):4=3,56:4=0.89
b.32,64:0,8:2=40,8:2=20,4
c.(13,7-10,2):0,25=3,5:0,25=14