" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Gunakan pitagoras :
(=) √12²+9²
(=) √144+81
(=) √225
(=) 15 cm
==========
(-18) + 9 x 3 - (35) : (-7)
= -18 + 27 - (-5)
= -18 + 27 + 5
= 14
CD : 12
AC : ?
Pake triple phytagoras : 9, 12, 15
Panjang AC : 15 (b)
6. Dahulukan yg dibagi/dikali dulu
(9x3) + (-35:-7) - 18
27 + 5 - 18 = 14 (d)