December 2018 1 7 Report
Oblicz stosujac prawa przemiennosci i łacznosci dodawania
a)24+17+26=
c)19+35+41=
e)33+27+43=
g)43+67+39=
i)42+73+56+47+28=
k)304+120+96+280+15=
b)32+41+18+9=
d)17+24+26+13=
f)81+62+19+38=
h)24+15+36+25=
j)13+7+48+100+92+37=
l)340+270+120+80+130+60=
z góry dzieki :)
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