Question

ex 5 va rog...ofer coroana

Answer 1

a) (0,3)²+(0,7)²=
0,09+0,49=0,58
0,58+12,5=13,08
b) (1,3)²-(0,5)²=
1,69-0,25=1,44
1,44-0,75=0.69
c) (1,3)³-(0,5)³=
2,197-0,125=2,072
2,072-1,85=0,222

Answer 2

a) $0.3^{2} + 0.7^{2}$ =  0.6+ 1.4= 2.0(sau 2)
12,5+2=14,5

b )$1,3^{2} + 0,5^{2}$ = 2,6+ 1.0 = 3.6
  3.60-0.75= 2.85

c ) $1,3^{3} + 0,5^{3}$ = 3.9+ 1.5 = 5.4
5.40-1.85=   3.55