zad 13
Do liczby -18 dodaj różnicę liczby -11 i liczby -9.5.
zad 14
Od sumy liczb -63 i 28 odejmij sumę liczb -16 i -13.
zad 11
Oblicz
c)-4.1/2+1/6+(-1/2)+1.1/3=
d)6,25+(-1/4)+(-3/5)+0,75=
e)4/7+(-3/14)+1/14=
f)1/2+(-3/4)+(-5/8)=
te ukośniki to np. 3/4 trzy czwarte
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
Zad.13
-18 + (-11) -( -9,5)= -18 -11 + 9,5 = - 19,5
zad.14
-63 +28 - (-16)+(-13) = - 35 +3 = - 32
Zad.11
c) -4i1/2+1/6 +(-1/2)+1 i 1/3 =-4 i3/6 +1/6 -3/6 +1i2/6 =-4i6/6+1i3/6=-3i3/6= -3i 1/2
d)6,25 +(-1/4)+(-3/5) + 0,75 = 6,25 - 0,25 - 0,6 +0,75 = 7 - 0,85 = 6,15
e)4/7 +(-3/14) +1/14 = 8/14 -3/14 + 1/14 = 6/14 = 3/7
f)1/2 + (-3/4)+(-5/8) = 4/8 - 6/8 -5/8 = -7/8
13) -18 + (-11-9,5) =
-18 + (-20,5) =
-18 - 20,5 = -38,5
14) (-63+28)-(-16+(-13))=
-35 - (-16-13)=
-35 - (-29)=
-35 + 29 = -6
11) c) -9/2 + 1/6 - 1/2 + 4/3 =
-10/2 +1/6 +8/6 =
-5 +9/6 = -5 + 1,5 = -3,5
d) 6,25 - o,25 - 0,6 + 0,75 = 6,15
e) 8/14 - 3/14 + 1/14 = 6/14 = 3/7
f) 4/8 - 6/8 - 5/8 = -7/8