" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
b) 1 1/7 * 1 3/4 - 5 3/5 * 10/53 = 8/7 * 7/4 - 28/5 * 10/53 = 2 - 56/53 = 2 - 1 3/53 = 50/53
c) 5 1/2 * 1 3/4 - 2 3/4 * 3 1/2 = 11/2 * 7/4 - 11/4 * 7/2 = 77/8 - 77/8 = 0
Myślę, że pomogłam :D