Jawabanmu

2014-08-28T23:09:07+07:00
A. {(-3)²+2²} - 3² = (9+2) - 9 = 3

b. (-3)²×(2²-(3²)) = 9×(4-9) = 9×-5 = -45

c. 2²×{(-3)²:3²} = 4 × ( 9:9 ) = 4 × 1 = 4
maaf yang A. harusnya" (9+4) - 9 = 4"
trima ksihh