Zad.13 str.164podr. Matematyka 1 gim.
Uporządkuj jednomiany .
a) 4a [x] 5b
b) -3x [x] 1/3x
c) -x [x] (-2x)
d) 1/2y [x] 3t [x] 2y
e) -xy [x] (-xy)
f) -3ab [x](-6b)
[x]=mnozenie .
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a) 4a·5b=20ab
b) -3x·⅓x=-x²
c) -x·(-2x)=2x²
d) ½y·3t·2y=3ty²
e) -xy·(-xy)=x²y²
f) -3ab·(-6b)=18ab²