2½₀ +1,27 =
0,65 ; 6½ =
4.5 -¾-⅓ =
(1⅔ + 0,5):2=
⁴/₇ ·(0.2 +¼) =
Takie łatwe bo mi sie nie chce a mam inne zajecia xd :D
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2,05+1,27=3,32
0,65:6,5=6,5:65=0,1
4,5-0,75-0,33=3,42
(1i20/30 +15/30):2=(50/30+15/30):2=65/30 :2=65/60=13/12
4/7 (0,2+0,25)=4/7 *0,45= 4/7 * 45/100=180/700=18/70=9/35
2,05 + 1,27= 3,32
0,65 : 6,5 = 0,1
4,5 - 0,75 - 1/3 = 3,75 -1/3 = 3 23/30
( 1 2/3 +1/2 ) : 2 = 2 1/6 : 2 = 1 1/12
4/7 * ( 0,2 + 0,25 ) = 4/7 * 0,45 = 9/ 35