a) ( 0,8 * 15/16 - 4/5 : 2/5 ) - (-2/5) =
b) [ 7/8 * (√2)² - 2/3 * (1<jedna cała> 1/2)² ] : ( -1/2) =
BARDZO PROSZE O ROZWIAZANIE. PILNE !
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a) ( 0,8 * 15/16 - 4/5 : 2/5 ) - (-2/5) =(8/10*15/16-4/5*5/2)-(-2/5)=(12/10-2)*(-2/5)=(-8/10)*(-2/5)=16/50=8/25
b) [ 7/8 * (√2)² - 2/3 * (1<jedna cała> 1/2)² ] : ( -1/2) =[7/8*2-2/3*9/4]*(-2)=[7/4-3/2]*(-2)=[7/4-6/4]*(-2)=1/4*(-2)=-1/2