" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
b)-(-48a²+10a) -(-4a -a²) = 48a² - 10a + 4a + a² = 49a² - 6a = 49*(-1/7)²-6*(-1/7) = 1⁶/₇ (jeden i szesc siodmych )
---------------------------------------
Mam nadzieje że pomogłam ;)