Kl. 3 gim.. Prosze o rozwiazanie tych dzialań :P
a . 7,236:2,01
b. 1 1/3 * 0,5
c. 5,25:(-1 1/2)
d. -5 1/5-3,1
e. -2 1/15-(-1,3)
f. -1,5:(-2 1/3)
/ - jako kreska ulamkowa
dzieki z gory :)
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a . 7,236 : 2,01 =
= 3,6
b. 1 1/3 * 0,5 =
= 4/3 * 1/2 =
= 2/3
c. 5,25 : (-1 1/2) =
5 i 1/4 : (-3/2) =
= 21/4 * (-2/3) =
= 7/2
= 3,5
d. -5 1/5 - 3,1 =
= -5,2 - 3,1 =
= -8,3
e. -2 1/15 - (-1,3) =
= -31/15 + 13/10 =
= -62/30 + 39/30 =
= -23/30
f. -1,5 : (-2 1/3) =
= -15/10 : (-7/3) =
= -15/10 * (-3/7) =
= 45/70 =
= 9/14