1. Oblicz:
a) ½ × [(-1)⁸ + (-1)⁸] =
b)(-3⅓)³ × 0,3⁴ - (-½)³ × (1⅓)² =
c)(1⅓)³ × (-3¾)² : 3 - (⅓)² =
d)(-0,3)² : 0,1 - 0,2³ × (2½)² =
e) (-0,1)⁴ × 20³ + (1½)³ : (-0,3)² =
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
a) ½ × [(-1)⁸ + (-1)⁸] =½×(1+1)=1
b)(-3⅓)³ × 0,3⁴ - (-½)³ × (1⅓)² =-1000/27×81/10000-(-1/8)×16/9=
=-3/10+2/9=-27/90+20/90=-7/90
c)(1⅓)³ × (-3¾)² : 3 - (⅓)² =64/27×(-225/16):3-1/9=4/3×(-25)×1/3-1/9= 4/9×(-25)-1/9=99/9=11
d)(-0,3)² : 0,1 - 0,2³ × (2½)² =0,09:0,1-0,008×25/4=0,9-8/1000×25/4=9/10-2/40=36/40-2/40=34/40
e) (-0,1)⁴ × 20³ + (1½)³ : (-0,3)² =0,0001×8000+27/8:0,09=0,8+27/8×100/9=4/5+75/2=8/10+375/10=383/10=38,3