August 2018 3 21 Report
Zapisz jak najprościej
a) 3b+(b+1)
b)5a-(a+1)
c)2x-(3-5-x)
d)2a+(3a-2b)+(a+b)
e)5a(2-x)+b-2x+5
f)7k-(m-2n+k)-(5k-3)+(2k-1)
g)0.3x-(5+0.7y)-(0,9-0,1x)+(x-1)
h) 0.5a+(5-0,8b+2a)-(-b+1)
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