Question

86,5:0,2+1,1²-239
604,205:5+1,6³:1,6-23,7

Answer 1

86,5:0,2+1,1²-239

=432,5+1,21-239

=194,71

604,205:5+1,6³:1,6-23,7

=120,841+4,096:1,6-23,7

=120,841+2,56-23,7

=99,701

Answer 2

$a).86,5:0,2+1,1^2-239= \\ =432,5+1,21-239= \\ =433,71-239= \\ =194,71 \\ b).604,205:5+1,6^3:1,6-23,7= \\ =120,841+4,096:1,6-23,7= \\ =120,841+2,56-23,7= \\ =123,401-23,7= \\ =99,701$