October 2018 1 23 Report
Zapisz jak najprosciej
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)-(-6)
i)3/4 -(1/4x-1/2)
j)1/3x+1/9y+(8/9x-2/7)

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