Question

(2целая 1/3) в квадрате-4/9

Answer 1

1 1/2*2/9- (6-5 3/5) ^2=32*29=618- (5 55-5 35) ^2=13*(25) ^2=13*425=475 1/3*(4- (1 1/2) ^3*(3-2 7/15)=13*(4-278*(2 1515-2 715)=13*(4-278*815)=13*(4-95)=1/3*(2 105-95)=13*115=1115