September 2018 2 25 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-0,1)=

h) 0,5a+(5-0,8b+2a)-(-b+1)=

proszę o pomoc


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