1. Wykonaj mnożenie:
a) 0,5406 * (-0,43)=
b) (-0,56) * (-42,7)=
2. Wykonaj działania: (rozpisując to, nie moze być samych wyników)
a) 0,85 : 8 i 1/2 = j) -2,5 + (-1 i 1/3) =
b) 6 i 7/8 * 0,056= k) 1,5 : ( -1/2)^2 - 4 =
c) ( 1 i 1/4 + 0,6) : 0,5 = l) 5 - 2,7 * (-1/3)^3 =
d) (1,6 + 2 i 4/5) : 0,08 =
e) 2 i 1/3 + 3,7 =
f) 5,3 - 4 i 5/6 =
g) -2,5 + (-1 i 1/6) =
h) - 2,5 - (-1 i 2/9) =
i) 4 i 1/3 * (-1,5) =
Dam naj ;))
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Zad.1
a)0,5406 * (-0,43)=-0,232458
b)(-0,56) * (-42,7)=23,912
Zad.2
a)0,85 : 8
=
:
=
*
=
=
= 0,01
b)6
* 0,056 =
*
=
*
=
=
= 0,385
c) (1
+ 0,6) : 0,5 = (
+
) :
= (
+
) :
=
*
=
= 3![\frac{7}{10} \frac{7}{10}](https://tex.z-dn.net/?f=%5Cfrac%7B7%7D%7B10%7D)
d)(1,6 + 2
) : 0,08 = (1,6 + 2,8) : 0,08= 4,4 : 0,08 = 55
e)2
+ 3,7 = 2
+ 3
=
+
=
+
=
= 6
= 6![\frac{1}{15} \frac{1}{15}](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B15%7D)
f)5,3 - 4
= 5
- 4
=
-
=
-
=
= ![\frac{7}{15} \frac{7}{15}](https://tex.z-dn.net/?f=%5Cfrac%7B7%7D%7B15%7D)
g)-2,5 + (-1
) = -2
- 1
= -
-
=
-
=
=
=
= 3![\frac{2}{3} \frac{2}{3}](https://tex.z-dn.net/?f=%5Cfrac%7B2%7D%7B3%7D)
h)- 2,5 - (-1
) = -2
+ 1
= -
+
= -
+
= -
= -1![\frac{5}{18} \frac{5}{18}](https://tex.z-dn.net/?f=%5Cfrac%7B5%7D%7B18%7D)
i)4
* (-1,5) = 4
* (-1
) =
* (-
) = -
= -6
= -6![\frac{1}{2} \frac{1}{2}](https://tex.z-dn.net/?f=%5Cfrac%7B1%7D%7B2%7D)
j)-2,5 + (-1
) = -2
- 1
= -
-
= -
-
= -
= -
= 2![\frac{3}{10} \frac{3}{10}](https://tex.z-dn.net/?f=%5Cfrac%7B3%7D%7B10%7D)
k)1,5 : (-
)² - 4 = 1
:
- 4 =
:
- 4 =
*
- 4 =
- 4 =
-
=
= 2
l)5 - 2,7 * (-
)³ =
- 2
* (-
) =
-
* (-
) =
-
=
-
= -
= -4![\frac{9}{10} \frac{9}{10}](https://tex.z-dn.net/?f=%5Cfrac%7B9%7D%7B10%7D)
LICZĘ NA NAJ:)