Matma na teraz!!! Uprość wyrażenia algebraiczne :
a) 7x-3+4x-2x+5+3x
b) 3,1a=0,8a-a-0,8
c) 2/7y+4=2y-5=5/7y
a) 7x-3+4x-2x+5+3x
b) 3,1a=0,8a-a-0,8
c) 2/7y+4=2y-5=5/7y
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