Liczby ujemne. 1.
6x(-9)=
(-4)x1/2=
(-10)x1,5=
(-2/3)x(-2/5) =
(-18) : 3=
2,2:(-2)=
0.8x (-5)=
(-9) x (2/3)=
(-3) : (-1/3)=
2.Korzystając z równości 392 x 143 = 56 056,oblicz:
(-3,92)x(-14,3)=
0,392 x (-1,43)=
(-5605,6):143=
(-3,92) x 1,43=
(0,143)x(-392)=
5605,6 : (-39,2)=
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1.
-45
-2
-15
4/15
-6
-1,1
-4,5
-6
1
2.
56,056
-5,6056
-39,2
-5,6056
-56,056
-43
.1zad
42
-2
15
4/15
-6
-1,1
4
6
9
2zad
56,056
0,56 056
39,2
5,6056
-56,056
143